{"id":16709,"date":"2026-04-12T18:06:30","date_gmt":"2026-04-12T15:06:30","guid":{"rendered":"https:\/\/www.hakanyanar.com\/services\/gastric-cancer-surgery-istanbul\/"},"modified":"2026-05-08T23:29:45","modified_gmt":"2026-05-08T20:29:45","slug":"gastric-cancer-surgery-istanbul","status":"publish","type":"page","link":"https:\/\/www.hakanyanar.com\/en\/services\/gastric-cancer-surgery-istanbul\/","title":{"rendered":"Gastric Cancer Surgery Istanbul"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"16709\" class=\"elementor elementor-16709 elementor-16558\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-331b3d9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"331b3d9\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ae2c1e4\" data-id=\"ae2c1e4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7faabe5 elementor-widget elementor-widget-html\" data-id=\"7faabe5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<!DOCTYPE html>\r\n<html lang=\"en\">\r\n<head>\r\n<meta charset=\"UTF-8\">\r\n<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\r\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Raleway:wght@400;500;600;700;800&family=Cormorant+Garamond:ital,wght@0,400;0,600;1,400&display=swap\" rel=\"stylesheet\">\r\n\r\n<style>\r\n*, *::before, *::after { box-sizing: border-box; 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}\r\n  .hy-content { float: none; display: block; width: 100%; }\r\n  .hy-sidebar { float: none; display: block; width: 100%; margin-bottom: 32px; }\r\n  .hy-toc { position: static; }\r\n  .hy-bc { padding: 10px 20px; }\r\n  .hy-related-card { float: none; width: 100%; margin-right: 0; margin-bottom: 12px; }\r\n}\r\n<\/style>\r\n\r\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"MedicalCondition\",\"name\":\"Stomach Cancer\",\"alternateName\":\"Gastric Cancer\",\"description\":\"Malignant tumor originating from the inner lining of the stomach. 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Prof. Dr. Hakan Yanar is an experienced surgeon specializing in laparoscopic gastrectomy and HIPEC.<\/p>\r\n  <div class=\"hy-badges\"><span class=\"hy-badge\">\ud83d\udd2c Laparoscopic Gastrectomy<\/span><span class=\"hy-badge\">\ud83e\uddec HIPEC Specialist<\/span><span class=\"hy-badge\">\ud83e\udd16 Robotic Surgery<\/span><span class=\"hy-badge\">\ud83d\udcc4 50+ International Publications<\/span><\/div>\r\n<\/div>\r\n\r\n<div class=\"hy-bc\">\r\n  <a href=\"\/en\/\">Home<\/a>\r\n  <span class=\"hy-bc-sep\">\u203a<\/span>\r\n  <a href=\"https:\/\/www.hakanyanar.com\/en\/services\/\">Conditions<\/a>\r\n  <span class=\"hy-bc-sep\">\u203a<\/span>\r\n  Stomach Cancer\r\n<\/div>\r\n<div class=\"hy-body hy-cf\">\r\n\r\n<div class=\"hy-sidebar\">\r\n  <div class=\"hy-toc\">\r\n    <div class=\"hy-toc-title\">\ud83d\udccb Table of Contents<\/div>\r\n    <a href=\"#what-is\">What is Stomach Cancer?<\/a><a href=\"#risk\">Risk Groups<\/a><a href=\"#symptoms\">Symptoms<\/a><a href=\"#diagnosis\">Diagnosis & Staging<\/a><a href=\"#treatment\">Treatment Methods<\/a><a href=\"#post-surgery\">Post-Surgery<\/a><a href=\"#istanbul\">Treatment in Istanbul<\/a><a href=\"#faq\">FAQ<\/a>\r\n  <\/div>\r\n  <div class=\"hy-doc-card\">\r\n    <img decoding=\"async\" src=\"https:\/\/www.hakanyanar.com\/wp-content\/uploads\/2022\/01\/hakanyanarliv-2.png\" alt=\"Prof. Dr. Hakan Yanar\" class=\"hy-doc-img\">\r\n    <div class=\"hy-doc-name\">Prof. Dr. Hakan Yanar<\/div>\r\n    <div class=\"hy-doc-title\">General Surgery Specialist<\/div>\r\n    <a href=\"tel:+905301715814\" class=\"hy-doc-btn\">\ud83d\udcde Book an Appointment<\/a>\r\n    <a href=\"https:\/\/wa.me\/905301715814\" class=\"hy-doc-btn wa\" target=\"_blank\">\ud83d\udcac WhatsApp<\/a>\r\n  <\/div>\r\n  <div class=\"hy-info-box\">\r\n    <div class=\"hy-info-title\">\u26a1 Quick Facts<\/div>\r\n    <div class=\"hy-info-row\"><span class=\"hy-info-label\">Operating Time<\/span><span class=\"hy-info-val\">2\u20135 hours<\/span><\/div><div class=\"hy-info-row\"><span class=\"hy-info-label\">Hospital Stay<\/span><span class=\"hy-info-val\">5\u20137 days<\/span><\/div><div class=\"hy-info-row\"><span class=\"hy-info-label\">Method<\/span><span class=\"hy-info-val\">Laparoscopic\/Robotic<\/span><\/div><div class=\"hy-info-row\"><span class=\"hy-info-label\">Recovery<\/span><span class=\"hy-info-val\">4\u20136 weeks<\/span><\/div><div class=\"hy-info-row\"><span class=\"hy-info-label\">Early Stage Success<\/span><span class=\"hy-info-val\">70\u201390%<\/span><\/div><div class=\"hy-info-row\"><span class=\"hy-info-label\">Languages<\/span><span class=\"hy-info-val\">TR \u00b7 EN \u00b7 FR \u00b7 RU<\/span><\/div>\r\n  <\/div>\r\n<\/div>\r\n<div class=\"hy-content\">\r\n\r\n<div class=\"hy-sec\" id=\"what-is\">\r\n<h2>What is Stomach Cancer?<\/h2>\r\n<p class=\"hy-p\"><strong>Stomach cancer (gastric cancer)<\/strong> is a malignant tumor resulting from the uncontrolled proliferation of cells lining the inner surface of the stomach. It is the 5th most common type of cancer in the world. <strong>Adenocarcinoma<\/strong>, which accounts for 90-95% of cases, is the most common histological type.<\/p>\r\n<p class=\"hy-p\">Helicobacter pylori infection, consumption of salty and smoked foods, smoking, and genetic predisposition are among the important risk factors. Because it is often detected at an advanced stage at the time of diagnosis, it can follow an aggressive course; this once again highlights the importance of early diagnosis.<\/p>\r\n<div class=\"hy-info-alert\"><p>\ud83d\udccc <strong>Important:<\/strong> H. pylori eradication reduces the risk of stomach cancer by 35-40%. Do not delay getting a gastroscopy for dyspepsia complaints.<\/p><\/div>\r\n<\/div>\r\n\r\n<div class=\"hy-sec\" id=\"risk\">\r\n<h2>Who is at Risk?<\/h2>\r\n<div class=\"hy-risk-grid\"><div class=\"hy-risk-item\"><div class=\"hy-risk-icon\">\ud83e\udda0<\/div><div class=\"hy-risk-title\">H. pylori Infection<\/div><div class=\"hy-risk-desc\">The most important risk factor. It paves the way for adenocarcinoma by causing chronic gastritis and intestinal metaplasia. Early eradication treatment significantly reduces the risk.<\/div><\/div><div class=\"hy-risk-item\"><div class=\"hy-risk-icon\">\ud83c\udf71<\/div><div class=\"hy-risk-title\">Dietary Habits<\/div><div class=\"hy-risk-desc\">Consumption of salty, smoked, canned, and processed foods brings high risk. Consumption of fresh fruits and vegetables has a protective effect.<\/div><\/div><div class=\"hy-risk-item\"><div class=\"hy-risk-icon\">\ud83e\uddec<\/div><div class=\"hy-risk-title\">Genetic Predisposition<\/div><div class=\"hy-risk-desc\">A history of stomach cancer in a first-degree relative increases the risk by 2-3 times. Hereditary diffuse gastric cancer (CDH1 mutation) requires an early screening program.<\/div><\/div><div class=\"hy-risk-item\"><div class=\"hy-risk-icon\">\ud83d\udeac<\/div><div class=\"hy-risk-title\">Smoking and Alcohol<\/div><div class=\"hy-risk-desc\">Smoking doubles the risk of stomach cancer. Heavy alcohol use is an independent risk factor.<\/div><\/div><\/div>\r\n<ul class=\"hy-ul\">\r\n<li>Those diagnosed with atrophic gastritis and intestinal metaplasia \u2014 require close endoscopic follow-up<\/li>\r\n<li>Blood group A (statistical risk increase)<\/li>\r\n<li>Those who have had stomach ulcer surgery (Billroth II anastomosis)<\/li>\r\n<li>Obesity and gastroesophageal reflux disease<\/li>\r\n<\/ul>\r\n<\/div>\r\n\r\n<div class=\"hy-sec\" id=\"symptoms\">\r\n<h2>Symptoms<\/h2>\r\n<div class=\"hy-warn\"><div class=\"hy-warn-title\">\u26a0\ufe0f Alarm Symptoms<\/div><p>In case of unintentional weight loss, difficulty swallowing, persistent vomiting, black stools, or bloody vomiting (hematemesis), get a gastroscopy without delay.<\/p><\/div>\r\n<p class=\"hy-p\">Stomach cancer is often silent in its early stages or presents with nonspecific complaints:<\/p>\r\n<ul class=\"hy-ul\">\r\n<li>Persistent indigestion and heartburn \u2014 can be ignored as a common stomach complaint<\/li>\r\n<li>Feeling of early satiety after meals (especially the feeling of getting full after eating very little)<\/li>\r\n<li>Loss of appetite and unintentional weight loss<\/li>\r\n<li>Pain or discomfort in the upper abdomen<\/li>\r\n<li>Nausea and vomiting<\/li>\r\n<li>Black colored stool (melena caused by occult bleeding)<\/li>\r\n<li>Difficulty swallowing (in cardia tumors)<\/li>\r\n<\/ul>\r\n<\/div>\r\n\r\n<div class=\"hy-sec\" id=\"diagnosis\">\r\n<h2>Diagnosis and Staging<\/h2>\r\n<p class=\"hy-p\">Gastroscopy and biopsy are the gold standard for diagnosis. Staging is completed with CT, PET-CT, and EUS. Diagnostic laparoscopy is performed if peritoneal spread is suspected. HER2, MSI\/MMR, and PD-L1 status directly affect the choice of treatment.<\/p>\r\n<div class=\"hy-stage-strip\"><div class=\"hy-stage hy-stage-1\"><div class=\"hy-stage-num\">STAGE I<\/div><div class=\"hy-stage-desc\">Limited to the stomach wall<\/div><div class=\"hy-stage-surv\">70\u201390%<\/div><\/div><div class=\"hy-stage hy-stage-2\"><div class=\"hy-stage-num\">STAGE II<\/div><div class=\"hy-stage-desc\">Spread to deeper layers<\/div><div class=\"hy-stage-surv\">45\u201365%<\/div><\/div><div class=\"hy-stage hy-stage-3\"><div class=\"hy-stage-num\">STAGE III<\/div><div class=\"hy-stage-desc\">Extensive lymph node involvement<\/div><div class=\"hy-stage-surv\">20\u201340%<\/div><\/div><div class=\"hy-stage hy-stage-4\"><div class=\"hy-stage-num\">STAGE IV<\/div><div class=\"hy-stage-desc\">Distant metastasis (peritoneum, liver)<\/div><div class=\"hy-stage-surv\">5\u201315%<\/div><\/div><\/div>\r\n<\/div>\r\n\r\n<div class=\"hy-sec\" id=\"treatment\">\r\n<h2>Treatment Methods<\/h2>\r\n<p class=\"hy-p\">The treatment of stomach cancer is determined by the decision of a multidisciplinary oncology board. Surgery is still the cornerstone of curative treatment; however, it is combined with perioperative chemotherapy and targeted therapies.<\/p>\r\n\r\n\r\n<div class=\"hy-treat-card\">\r\n<div class=\"hy-treat-head\">\r\n<div class=\"hy-treat-icon\">\ud83d\udd2c<\/div>\r\n<div class=\"hy-treat-title\">Laparoscopic Gastrectomy \u2014 Minimally Invasive Standard<\/div>\r\n<div class=\"hy-treat-badge\">Gold Standard<\/div>\r\n<\/div>\r\n<div class=\"hy-treat-body\">\r\n<div class=\"hy-treat-stats\"><div class=\"hy-treat-stat\"><span class=\"hy-treat-stat-val\">2\u20135 hours<\/span><span class=\"hy-treat-stat-lbl\">Operating time<\/span><\/div><div class=\"hy-treat-stat\"><span class=\"hy-treat-stat-val\">5\u20137 days<\/span><span class=\"hy-treat-stat-lbl\">Hospital stay<\/span><\/div><div class=\"hy-treat-stat\"><span class=\"hy-treat-stat-val\">D2<\/span><span class=\"hy-treat-stat-lbl\">Lymph node dissection<\/span><\/div><div class=\"hy-treat-stat\"><span class=\"hy-treat-stat-val\">4\u20136 weeks<\/span><span class=\"hy-treat-stat-lbl\">Recovery<\/span><\/div><\/div>\r\n<p>Depending on the location of the tumor, <strong>partial (distal) gastrectomy<\/strong> or <strong>total gastrectomy<\/strong> is performed. In the laparoscopic method, intestinal continuity is restored (anastomosis) through small incisions. Prof. Dr. Hakan Yanar applies D2 lymph node dissection as a standard \u2014 this is a mandatory surgical step recommended by international guidelines to ensure adequate staging and cure.<\/p><p>Compared to open surgery, postoperative pain is significantly less; bowel functions recover earlier, and patients mobilize faster. Oncological outcomes are equivalent to open surgery.<\/p>\r\n<ul class=\"hy-treat-points\"><li>Removal of \u226516 lymph nodes is ensured with D2 dissection<\/li><li>Postoperative pain is significantly less<\/li><li>Bowel functions recover in 2-3 days<\/li><li>Hospital stay is reduced to 5-7 days<\/li><\/ul>\r\n<\/div>\r\n<\/div>\r\n\r\n<div class=\"hy-treat-card\">\r\n<div class=\"hy-treat-head\">\r\n<div class=\"hy-treat-icon\">\ud83e\udd16<\/div>\r\n<div class=\"hy-treat-title\">Robotic Gastrectomy \u2014 New Standard in Upper GI Surgery<\/div>\r\n<div class=\"hy-treat-badge\">Especially in Total Gastrectomy<\/div>\r\n<\/div>\r\n<div class=\"hy-treat-body\">\r\n<p>In esophagogastric junction and upper abdominal surgery, it offers superior maneuverability in narrow spaces thanks to 3D HD imaging and 360\u00b0 joint movement. In total gastrectomy, intracorporeal anastomosis is performed more safely; postoperative complications are reduced.<\/p>\r\n<a href=\"\/en\/services\/laparoscopic-robotic-surgery\/\" style=\"display:inline-block;margin-top:8px;background:#07183A;color:#fff;padding:8px 18px;border-radius:6px;font-size:13px;font-weight:600;font-family:Raleway,sans-serif;text-decoration:none;\">\u2192 Detailed information about Laparoscopic & Robotic Surgery<\/a>\r\n<\/div>\r\n<\/div>\r\n\r\n<div class=\"hy-treat-card\">\r\n<div class=\"hy-treat-head\">\r\n<div class=\"hy-treat-icon\">\ud83e\uddec<\/div>\r\n<div class=\"hy-treat-title\">HIPEC (Hyperthermic Intraperitoneal Chemotherapy)<\/div>\r\n<div class=\"hy-treat-badge\">In Selected Stage IV Cases<\/div>\r\n<\/div>\r\n<div class=\"hy-treat-body\">\r\n<p>It is a heated chemotherapy method applied simultaneously with cytoreductive surgery in selected cases where stomach cancer has spread to the peritoneum. PCI score and patient performance determine the indication. Prof. Dr. Hakan Yanar is one of the few expert surgeons in Istanbul with a HIPEC certificate.<\/p>\r\n<a href=\"\/en\/services\/hipec\/\" style=\"display:inline-block;margin-top:8px;background:#07183A;color:#fff;padding:8px 18px;border-radius:6px;font-size:13px;font-weight:600;font-family:Raleway,sans-serif;text-decoration:none;\">\u2192 Detailed information about HIPEC<\/a>\r\n<\/div>\r\n<\/div>\r\n\r\n\r\n<div class=\"hy-treat-card\">\r\n<div class=\"hy-treat-head\">\r\n<div class=\"hy-treat-icon\">\ud83d\udc8a<\/div>\r\n<div class=\"hy-treat-title\">Perioperative Chemotherapy (FLOT) and Targeted Therapies<\/div>\r\n<div class=\"hy-treat-badge\">Stage II\u2013IV<\/div>\r\n<\/div>\r\n<div class=\"hy-treat-body\">\r\n<div class=\"hy-treat-stats\"><div class=\"hy-treat-stat\"><span class=\"hy-treat-stat-val\">FLOT<\/span><span class=\"hy-treat-stat-lbl\">Neoadjuvant + adjuvant<\/span><\/div><div class=\"hy-treat-stat\"><span class=\"hy-treat-stat-val\">HER2+<\/span><span class=\"hy-treat-stat-lbl\">Trastuzumab<\/span><\/div><div class=\"hy-treat-stat\"><span class=\"hy-treat-stat-val\">PD-L1+<\/span><span class=\"hy-treat-stat-lbl\">Immunotherapy<\/span><\/div><div class=\"hy-treat-stat\"><span class=\"hy-treat-stat-val\">6 months<\/span><span class=\"hy-treat-stat-lbl\">Total duration<\/span><\/div><\/div>\r\n<p>The <strong>FLOT protocol<\/strong> (docetaxel, oxaliplatin, 5-FU, leucovorin) is applied before and after surgery; it increases the probability of R0 (clean margin) resection by shrinking the tumor and destroying micrometastases. In stage II-III stomach cancer, perioperative FLOT is the first-line recommendation of current international guidelines.<\/p><p>Trastuzumab is added in HER2-positive metastatic stomach cancer. In cases with PD-L1 CPS \u22655, nivolumab or pembrolizumab immunotherapy can be combined with systemic chemotherapy.<\/p>\r\n<ul class=\"hy-treat-points\"><li>Pathological complete response rate reaches 15-20% with FLOT<\/li><li>Trastuzumab prolongs survival in HER2-positive tumors<\/li><li>MSI-H tumors show high response to immunotherapy<\/li><li>Neoadjuvant treatment increases R0 resection rate<\/li><\/ul>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n\r\n<div class=\"hy-sec\" id=\"post-surgery\">\r\n<h2>Post-Surgery Process and Nutrition<\/h2>\r\n<p class=\"hy-p\">Nutritional adaptation after gastrectomy is critically important. It starts with a liquid diet in the first few days; gradually transitioning to soft and solid foods. To prevent <strong>dumping syndrome<\/strong>, small and frequent meals (6-8 times a day), low fluid intake during meals, and avoiding refined sugars are the basic rules.<\/p>\r\n<p class=\"hy-p\">After total gastrectomy, <strong>vitamin B12<\/strong> must be supplemented with lifelong injections. Iron and calcium support are also necessary in most patients. Regular follow-up with a dietitian is mandatory.<\/p>\r\n<\/div>\r\n\r\n<div class=\"hy-sec\" id=\"istanbul\">\r\n<div class=\"hy-istanbul\">\r\n<h2>Stomach Cancer Treatment in Istanbul<\/h2>\r\n<p class=\"hy-p\">Prof. Dr. Hakan Yanar is an experienced surgeon in the field of stomach cancer surgery at Istanbul University Istanbul Faculty of Medicine and Liv Hospital Ulus. He works in coordination with the multidisciplinary oncology board, and services are provided to international patients in Turkish, English, French, and Russian.<\/p>\r\n<\/div>\r\n<\/div>\r\n\r\n<script type=\"application\/ld+json\">\r\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is stomach cancer?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Stomach cancer (gastric cancer) is a malignant tumor formed by the uncontrolled proliferation of cells lining the inner surface of the stomach. The most common type is adenocarcinoma (90-95%). Helicobacter pylori infection, consumption of salty-smoked food, and smoking are the main risk factors.\"}},\r\n{\"@type\":\"Question\",\"name\":\"What are the symptoms of stomach cancer?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Nonspecific signs such as heartburn and indigestion are seen in the early stages. In advanced stages, unintentional weight loss, abdominal pain, nausea-vomiting, early satiety after meals, and black stools (occult bleeding) may occur.\"}},\r\n{\"@type\":\"Question\",\"name\":\"How is stomach cancer diagnosed?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Diagnosis is made by gastroscopy and biopsy. CT, PET-CT, endoscopic ultrasonography (EUS), and diagnostic laparoscopy are used for staging. HER2 and PD-L1 biomarker tests are important in treatment planning.\"}},\r\n{\"@type\":\"Question\",\"name\":\"What is laparoscopic gastrectomy?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Laparoscopic gastrectomy is a surgical procedure in which the stomach is removed via a minimally invasive route through small incisions. It can be performed as partial (distal) or total gastrectomy. It provides less pain and a shorter recovery time compared to open surgery.\"}},\r\n{\"@type\":\"Question\",\"name\":\"Is HIPEC related to stomach cancer?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"HIPEC can be applied together with cytoreductive surgery in advanced cases where stomach cancer has spread to the peritoneum. Prof. Dr. Hakan Yanar is one of the few expert surgeons in Istanbul with a HIPEC certificate.\"}},\r\n{\"@type\":\"Question\",\"name\":\"Is stomach cancer curable in the early stages?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The five-year survival rate for stage I stomach cancer is between 70-90%. Screening programs in Japan and Korea have proven that early stage diagnosis dramatically improves survival.\"}},\r\n{\"@type\":\"Question\",\"name\":\"How should nutrition be after stomach surgery?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"After the surgery, it starts with a liquid diet and gradually transitions to solid food. Small and frequent meals, less fluid during meals, and avoiding sugar are recommended to prevent dumping syndrome. Follow-up with a dietitian is mandatory.\"}},\r\n{\"@type\":\"Question\",\"name\":\"Is chemotherapy necessary after surgery?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"In stage II-III cases, adjuvant chemotherapy (FLOT or CAPOX) after surgery is part of the standard treatment. Trastuzumab may be added in HER2 positive tumors, and immunotherapy in PD-L1 high tumors.\"}}]}\r\n<\/script><div class=\"hy-sec\" id=\"faq\"><h2>Frequently Asked Questions<\/h2><div class=\"hy-faq-item\"><div class=\"hy-faq-q\">What is stomach cancer?<\/div><div class=\"hy-faq-a\">Stomach cancer (gastric cancer) is a malignant tumor formed by the uncontrolled proliferation of cells lining the inner surface of the stomach. The most common type is adenocarcinoma (90-95%). Helicobacter pylori infection, consumption of salty-smoked food, and smoking are the main risk factors.<\/div><\/div><div class=\"hy-faq-item\"><div class=\"hy-faq-q\">What are the symptoms of stomach cancer?<\/div><div class=\"hy-faq-a\">Nonspecific signs such as heartburn and indigestion are seen in the early stages. In advanced stages, unintentional weight loss, abdominal pain, nausea-vomiting, early satiety after meals, and black stools (occult bleeding) may occur.<\/div><\/div><div class=\"hy-faq-item\"><div class=\"hy-faq-q\">How is stomach cancer diagnosed?<\/div><div class=\"hy-faq-a\">Diagnosis is made by gastroscopy and biopsy. CT, PET-CT, endoscopic ultrasonography (EUS), and diagnostic laparoscopy are used for staging. HER2 and PD-L1 biomarker tests are important in treatment planning.<\/div><\/div><div class=\"hy-faq-item\"><div class=\"hy-faq-q\">What is laparoscopic gastrectomy?<\/div><div class=\"hy-faq-a\">Laparoscopic gastrectomy is a surgical procedure in which the stomach is removed via a minimally invasive route through small incisions. It can be performed as partial (distal) or total gastrectomy. It provides less pain and a shorter recovery time compared to open surgery.<\/div><\/div><div class=\"hy-faq-item\"><div class=\"hy-faq-q\">Is HIPEC related to stomach cancer?<\/div><div class=\"hy-faq-a\">HIPEC can be applied together with cytoreductive surgery in advanced cases where stomach cancer has spread to the peritoneum. Prof. Dr. Hakan Yanar is one of the few expert surgeons in Istanbul with a HIPEC certificate.<\/div><\/div><div class=\"hy-faq-item\"><div class=\"hy-faq-q\">Is stomach cancer curable in the early stages?<\/div><div class=\"hy-faq-a\">The five-year survival rate for stage I stomach cancer is between 70-90%. Screening programs in Japan and Korea have proven that early stage diagnosis dramatically improves survival.<\/div><\/div><div class=\"hy-faq-item\"><div class=\"hy-faq-q\">How should nutrition be after stomach surgery?<\/div><div class=\"hy-faq-a\">After the surgery, it starts with a liquid diet and gradually transitions to solid food. Small and frequent meals, less fluid during meals, and avoiding sugar are recommended to prevent dumping syndrome. Follow-up with a dietitian is mandatory.<\/div><\/div><div class=\"hy-faq-item\"><div class=\"hy-faq-q\">Is chemotherapy necessary after surgery?<\/div><div class=\"hy-faq-a\">In stage II-III cases, adjuvant chemotherapy (FLOT or CAPOX) after surgery is part of the standard treatment. Trastuzumab may be added in HER2 positive tumors, and immunotherapy in PD-L1 high tumors.<\/div><\/div><\/div>\r\n\r\n<div class=\"hy-cta\">\r\n  <h3>Book an Appointment for Stomach Cancer Evaluation<\/h3>\r\n  <p>Contact Prof. Dr. Hakan Yanar today for early diagnosis and treatment.<\/p>\r\n  <div class=\"hy-cta-btns\">\r\n    <a href=\"tel:+905301715814\" class=\"hy-cta-btn primary\">\ud83d\udcde Call Now<\/a>\r\n    <a href=\"https:\/\/wa.me\/905301715814\" class=\"hy-cta-btn wa\" target=\"_blank\">\ud83d\udcac Message via WhatsApp<\/a>\r\n    <a href=\"https:\/\/www.hakanyanar.com\/en\/contact\/\" class=\"hy-cta-btn primary\">\ud83d\udcc5 Online Appointment<\/a>\r\n  <\/div>\r\n<\/div>\r\n<div class=\"hy-related\"><h3>Related Conditions & Treatments<\/h3><div class=\"hy-related-grid hy-cf\"><div class=\"hy-related-card\"><div class=\"hy-related-icon\">\ud83d\udd2c<\/div><div class=\"hy-related-name\">Colon & Rectal Cancer<\/div><div class=\"hy-related-desc\">Laparoscopic colorectal surgery<\/div><a href=\"\/en\/services\/colon-rectal-cancer\/\" class=\"hy-related-link\">Learn More \u2192<\/a><\/div><div class=\"hy-related-card\"><div class=\"hy-related-icon\">\ud83e\uddec<\/div><div class=\"hy-related-name\">HIPEC Treatment<\/div><div class=\"hy-related-desc\">Advanced treatment in peritoneal metastasis<\/div><a href=\"\/en\/services\/hipec\/\" class=\"hy-related-link\">Learn More \u2192<\/a><\/div><div class=\"hy-related-card\"><div class=\"hy-related-icon\">\ud83e\udd16<\/div><div class=\"hy-related-name\">Robotic Surgery<\/div><div class=\"hy-related-desc\">Minimally invasive technology<\/div><a href=\"\/en\/services\/laparoscopic-robotic-surgery\/\" class=\"hy-related-link\">Learn More \u2192<\/a><\/div><\/div><\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/body>\r\n<\/html>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Advanced Oncological Surgery \u00b7 Istanbul Stomach Cancer Prof. Dr. Hakan Yanar \u2014 General Surgery Specialist Stomach cancer achieves high success rates with surgery in the early stages. Prof. Dr. Hakan Yanar is an experienced surgeon specializing in laparoscopic gastrectomy and HIPEC. \ud83d\udd2c Laparoscopic Gastrectomy\ud83e\uddec HIPEC Specialist\ud83e\udd16 Robotic Surgery\ud83d\udcc4 50+ International Publications Home \u203a Conditions \u203a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":15980,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-16709","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.7 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Gastric Cancer Surgery Istanbul &#8212; Prof. Dr. Hakan Yanar<\/title>\n<meta name=\"description\" content=\"Gastric cancer treatment in Istanbul with laparoscopic gastrectomy and HIPEC. Experienced surgeon Prof. Dr. Hakan Yanar. 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