Small Intestine Cancer Doctors Worldwide

Prof. Ido Nachmany heads the Second Surgical Department at Sheba Medical Center in Israel. He was recognized by Forbes as one of the country's top physicians. Prof. Nachmany specializes in robotic surgery for the liver, pancreas, and bile ducts. He focuses on treating gastrointestinal neuroendocrine tumors using minimally invasive techniques.

• Board certified in General Surgery, HPB Surgery, and Abdominal Organ Transplantation.
• Completed surgical fellowships at the prestigious Thomas E. Starzl Transplantation Institute.
• Performs complex Whipple procedures and robotic low anterior resections.
• Author of numerous surgical oncology studies in journals like Cancer Research.

Dr. Almog Ben Yaacov is a senior surgical oncologist at Sheba Medical Center. He has performed over 200 HIPEC procedures for complex abdominal cancers. He focuses on treating gastric cancer, sarcoma, and colorectal malignancies. Dr. Ben Yaacov holds board certifications in both General Surgery and Surgical Oncology.

• Completed surgical oncology training at Memorial Sloan Kettering in New York.
• Uses NanoKnife and microwave liver ablation for targeted tumor treatment.
• Maintains ESSO certification for cytoreductive surgery and HIPEC.
• Works at Sheba Medical Center, ranked among the world’s top 10 hospitals.

Prof. Dr. Sefik Igdem specializes in radiation oncology, particularly for prostate and small intestine cancers, using advanced technologies like Truebeam Stx.

• Over 30 years of experience in radiation oncology
• Expert in conformal treatments for precise targeting
• Uses Halcyons and Truebeam Stx for advanced therapy
• Associate Professor and later Professor at Demiroğlu Bilim University
• Works at Gayrettepe Florence Nightingale Hospital

Dr. Yuri Goldes is the Deputy Director of General Surgery at Sheba Medical Center. He pioneered some of Israel’s first robotic resections for stomach and pancreatic cancers. Forbes Israel named him among the nation’s best gastrointestinal surgeons. In 2019, he received the Best Doctor of the Year award from the Israeli Ministry of Health.

• Specializes in robotic and laparoscopic surgery for pancreatic, gastric, and esophageal cancers.
• Performs minimally invasive Whipple procedures, one of the most complex abdominal operations.
• Treats benign conditions including diaphragmatic hernia, achalasia, GERD, and gallbladder disease.
• Works at Sheba Medical Center, ranked among the Top 10 hospitals worldwide by Newsweek.

Dr. Amit Tirosh is the Head of the Neuroendocrine Tumors (NET) Service at Sheba Medical Center. He is an international authority on von Hippel–Lindau (VHL) disease and hereditary tumor syndromes. Dr. Tirosh contributed to global clinical guidelines for VHL management. He also leads the Endocrine Oncology Bioinformatics Lab at Sheba.

• Contributor to the international expert panel on VHL management guidelines.
• Authored over 40 peer-reviewed papers in journals like JAMA and Gastroentrology.
• Maintains research affiliations with the NIH and the Weizmann Institute.
• Performs specialized NET treatments, including Lutetium-177 therapy and PRRT.

Dr. Mehmet Salih Iyikesici is a medical oncologist. His work focuses on metabolically supported chemotherapy (MSCT), ketogenic diet–supported cancer care, hyperthermia, hyperbaric oxygen therapy, and insulin potentiation therapy. He emphasizes care for breast, pancreatic, and gastric cancers.

He is a Medical Oncology Specialist at Neolife Medical Center (2026–present). He previously served at Private Bahçelievler Medical Park (2013–2026), Medicana Beylikdüzü (2010–2013), Silivri Anadolu (2009–2010), Diyarbakır Training and Research (2008–2009), and Bursa Çekirge State (2006–2008). Earlier, he worked as an Internal Medicine Specialist (1997–2003). He was an Assistant Professor at Altınbaş University (2014–2026).

Training: Medical Oncology subspecialty, Marmara University (2003–2006). Internal Medicine, Istanbul Haydarpaşa Numune (1992–1996). Medicine, Uludağ University (1985–1990). Member, Medical Oncology Association (since 2004). His recent research (2019–2020) covers gastric, breast, pancreatic, and lung cancers. Topics include long‑term survival in metastatic pancreatic cancer and feasibility in metastatic non‑small cell lung cancer (NSCLC).

Professor Xiao Yueyong is Chief Physician in the Department of Radiological Diagnosis at the Chinese PLA General Hospital. He is a leading expert in minimally invasive interventional oncology. He serves as the inaugural President of WATA (2025–). He is President of the International (2020–) and Asian (2012–) Societies of Cryotherapy. He is also Deputy Head of the NHC Expert Group on tumour ablation regulations (2009–).

He has performed over 100,000 CT/MRI‑guided minimally invasive procedures. His work covers chemical ablation, RFA, MWA, cryoablation, and NanoKnife (IRE). He introduced and advanced NanoKnife ablation in China. He led the first national standards for tumour cryoablation and NanoKnife.

Honors include the National Special Contribution Award (Lifetime Honorary). He received First Prize from the Chinese Medicine Education Association (2021). He received two Second Prizes for Military Medical Achievements (2016, 2018) and two Second Prizes from the China Anti‑Cancer Association (2019, 2022). He was named Asian Ablation Master. His research record includes 13 Chinese patents. He is the principal investigator for four NSFC projects and one MOST subject. He has published over 200 papers, with over 110 as first or corresponding author and over 40 in SCI journals. He has led over 10 ablation guidelines or consensus statements.

Dr. Sinan Karaaslan is a leading oncologist specializing in breast, colorectal, and urogenital cancers at Anadolu Medical Center.

• 29 years of experience in medical oncology
• Trained at Istanbul University's Cerrahpaşa Medical School
• Member of the Turkish Medical Oncology Society
• Works at a leading JCI-accredited oncology center

Ranked first in Turkey's Medical Oncology Proficiency Exam – Dr. Keskin brings 25 years of oncology expertise to Memorial Şişli Hospital.

• Specializes in chemotherapy, targeted therapy, and immunotherapy
• Performed 1,100+ cancer treatments
• Member of ASCO and ESMO – leading global oncology organizations
• Published 42 articles in international journals

Specializes in gastrointestinal cancers with a fellowship from Hacettepe University Cancer Institute – one of Turkey's leading oncology centers.

• Completed residency at Istanbul Sisli Etfal Teaching and Research Hospital
• Trained at MD Anderson Cancer Center – a global leader in cancer care
• Handles complex cases of breast, testicular, ovarian, and lung cancers
• Board-certified with extensive experience in gastrointestinal oncology

Prof. Peker has performed over 400 pancreatic and gastric cancer surgeries, with specialized training at Mayo Clinic's Hepatopancreatobiliary Surgery Clinic.

• Specialized in Gastroenterology Surgery from Kartal Koşuyolu Hospital
• Trained in Hepatopancreatobiliary Surgery at Mayo Clinic, USA
• Founder of the Hepatopancreatobiliary Surgery unit at Bakırköy Dr. Sadi Konuk Hospital
• Also experienced in liver, gallbladder, and bile duct surgeries

Assoc. Prof. Gorkem Turkkan has successfully completed over 2,500 radiotherapy sessions with the MR-Linac device, specializing in advanced treatments for small intestine cancer.

• Radiation oncology specialist with expertise in stereotactic and MRI-guided radiotherapy
• Member of the European Society of Radiotherapy and Oncology (ESTRO) since 2015
• Associate Professor with extensive academic and clinical research experience
• Published 27 articles in domestic and international journals

Professor Yesim Yildirim specializes in cancer immunotherapy and targeted therapies, with over 80 international publications and co-authored books.

• Member of European Society of Medical Oncology (ESMO)
• Professor at Halic University, Istanbul
• Expert in breast, gastrointestinal, and lung cancers
• Trained at prestigious institutions including Rambam Medical Centre

Assoc. Prof. Dr. Heves Sürmeli is a specialist in Internal Medicine and Medical Oncology. She received her medical degree (M.D.) from Eskişehir Osmangazi University in 2004. She completed her Internal Medicine residency at Kartal Dr. Lütfi Kırdar Training and Research Hospital, Istanbul (2005–2010). She then completed subspecialty training in Medical Oncology at the same hospital (2014–2017).

At the same center, she served as a Medical Oncology Specialist (2017–2023). She then worked as Administrative and Clinical Director (2023–2026). Her clinical interests include breast, lung, gynecologic, gastrointestinal, and urologic cancers.

She has published many articles in international peer‑reviewed journals. She has presented at national and international conferences. She is active in professional societies. She has received several awards.

Prof. Şeref Kömürcü has over 33 years as a medical oncologist specializing in solid tumors, including small intestine cancer at Anadolu Medical Center.

• ECFMG and ESMO-certified ensuring international standards of care
• Specializes in breast, colorectal, and lung cancers alongside small intestine cases
• Published 110+ research papers on cancer management
• Professor at Gülhane Military Medical Academy, training future oncologists
• Recipient of GATA Education and Teaching Success Awards

Dr. Eda Tanrikulu is a clinical oncologist at Anadolu Medical Center in Istanbul. She ranked 3rd nationally in Turkey's minor specialty medical exam. Dr. Tanrikulu specializes in chemotherapy and individualized cancer treatments. She works at a facility affiliated with the Johns Hopkins Hospital.

• Served as the head of the medical oncology unit at Haydarpaşa Numune Hospital.
• Participated in global training at Oxford University and ESMO in Manchester.
• Treats gastrointestinal, urological, lung, and breast cancers.
• Member of the American and European Societies of Medical Oncology.

Dr. Ayhan Erdemir is one of Turkey's top pancreatic cancer specialists, practicing at Anadolu Medical Center since 2006.

• Trained in general surgery at Dr. Lütfi Kırdar KEAH in Istanbul
• Completed da Vinci Robotic Surgery Training at Acıbadem University
• Attended advanced Cytoreductive Surgery & Hipec courses
• Former assistant professor at Maltepe University Medical School

Dr. Mehmet Dogu Canoglu is a radiation oncologist at Anadolu Medical Center in Istanbul. He specializes in precise tumor targeting using MR Linac and CyberKnife technologies. Dr. Canoglu trained at Kocaeli University. He previously served at Medipol Mega University Hospital. He treats various cancers, including complex brain, prostate, and lung tumors.

• Expert in Varian TrueBeam and Trilogy radiation delivery systems.
• Performs stereotaxic radiosurgery and targeted radiotherapy for sarcomas.
• Works at Anadolu Medical Center, a facility affiliated with Johns Hopkins Medicine.
• Treats patients at a clinic ranked among the world's top 10 for medical tourism.

Prof. Sadi Kerem Okutur has over 20 years of experience in medical oncology, specializing in small intestine cancer at Memorial Bahçelievler Hospital.

• Associate professor with extensive clinical and academic background
• Recipient of the Oncology Research Award by the Turkish Medical Oncology Association
• Published over 20 papers and 10 book chapters in medical oncology
• Member of the European Society for Medical Oncology