Page 2 - Best Colon cancer stage 4 doctors: TOP 33 doctors

Assoc. Prof. Atakan Topçu, M.D., is a medical oncologist at Medipol University and Medipol Acıbadem Regional Hospital. He treats solid tumors, including lung, breast, colorectal, gastric, and neuroendocrine cancers. His work also covers targeted therapies, immunotherapy, geriatric oncology, and cancer-related malnutrition, cachexia, and sarcopenia.

He has authored more than 50 peer-reviewed papers. Recent work includes a 2024 Frontiers in Medicine study on geriatric syndromes and a 2023 Future Oncology paper on sarcopenia and anxiety in lung cancer. He has also published on the CONUT score in breast cancer and on malnutrition in HER2-negative metastatic gastric cancer.

Dr. Topçu serves on the Editorial Board of BMC Cancer. He is a member of the Turkish Society of Medical Oncology, ESMO, and the Turkish Geriatrics Society. Education and training: M.D., Uludağ University; residency in Internal Medicine, Marmara University; fellowship in Medical Oncology, Bezmialem Vakıf University.

Dr. Irfan Cicin is a Professor of Medical Oncology at the Trakya University Faculty of Medicine (2015–present). He has over 20 years of medical oncology experience and has held academic roles since 2010.

Education: MD, Istanbul University – Cerrahpaşa (1991–1997). Residency in Internal Medicine, Trakya University (1997–2002). Fellowship in Medical Oncology, Trakya University (2002–2004).

Practice: Medical Oncologist, Trakya University (2005–2008). Medical Oncologist, Elazığ Training and Research Hospital (2008–2010). Associate Professor of Medical Oncology, Trakya University (2010–2015). He previously served as a physician in the Turkish Air Force at Etimesgut Military Hospital (2004–2005).

Dr. Muhammed Mustafa Atci is an Associate Professor of Medical Oncology at İstinye University, Liv Hospital Topkapı (2025–present). He previously served as Associate Professor and Education Coordinator at Prof. Dr. Cemil Taşcıoğlu City Hospital (2023–2025). He was also a Medical Oncologist there (2018–2021).

He has been a member of ASCO and the Turkish Society of Medical Oncology since 2018. He is the author or co-author of 19 peer-reviewed international papers on colon, breast, gastric, pancreatic, lung, thyroid, sarcoma, and colorectal cancers.

Notable works include a multicentre study on stage IIB colon cancer survival (Journal of Chemotherapy). He also studied the De Ritis ratio for lung metastasis in testicular cancer (Current Urology). His prognostic studies used PET/CT, MSI, lymph node ratio, and metabolic tumor volume.

Assoc. Prof. Ayşe İrem Yasin, M.D., is a medical oncologist who specializes in solid tumors. Her clinical focus includes breast, lung, gastrointestinal, gynecologic, and urologic cancers. She also treats brain and other CNS tumors, soft tissue sarcomas, head and neck cancers, adenocarcinomas, melanoma, Merkel cell carcinoma, and cancers of unknown primary. She practices at Medipol Acıbadem District Hospital (2025–present). She previously worked at Şişli Etfal Training and Research Hospital (2023–2025).

She completed a Medical Oncology fellowship at Bezmialem Vakıf University (2019–2022). This followed an Internal Medicine residency at the same institution (2012–2016). Her international experience includes the Breast Cancer Unit at the University of Piemonte Orientale in Novara (2022). She also trained at Basel University Hospital, Cleveland Clinic, and Harvard Medical School. She holds the ESMO Board Certificate (2022).

pioneering minimally invasive colon cancer surgery – Dr. de Lacy has performed over 15,000 procedures, including 1,000+ annually at Hospital Quiron Barcelona.

• World's first surgeon to develop the TaTME technique for rectal cancer
• President of the Association of Surgeons-Endoscopists in Europe
• Lecturer on advanced laparoscopic techniques worldwide
• Pioneer of NOTES transluminal endoscopic surgery

Dr. Johann Ockenga is a Surgical Oncologist with specializing in gastrointestinal cancers at Bremen-Mitte Clinic, particularly Colon cancer stage 4.

• Expertise includes Sigmoid adenocarcinoma and Hepatocellular Carcinoma
• Secretary of the German Society of Nutritional Medicine
• Developed guidelines for nutritional medicine in cancer care
• Published in the World Journal of Gastroenterology

Dr. Wronski is a dedicated oncologist with extensive experience in treating complex cancer cases at European Health Center Otwock.

• Specializes in advanced colon cancer treatments
• Works at a renowned European Health Center
• Provides personalized treatment plans for each patient

Professor Jorg Groticke heads the Oncology and Hematology Center at Bremen Mitte Hospital, specializing in gastrointestinal tract tumors.

• Over of experience in oncology and hematology
• Specialized in immunology and internal medicine
• Member of German Society of Hematology and Medical Oncology
• Conducts lectures on innovative cancer therapies

Professor Huseyin Bektas leads the Department of General, Visceral and Oncological Surgery at Bremen-Mitte Hospital, specializing in advanced oncological cases.

• Author of numerous scientific publications
• Member of the Association of Hepatobiliary and Pancreatic Surgery
• Teacher at the Hanover School of Medicine
• Chief Physician overseeing complex oncological surgeries

Onco-surgeon specializing in gastrointestinal tract surgery – Dr. Sinjab focuses on complex cancer cases at European Health Center Otwock.

• Specializes in gastrointestinal tract surgery and breast cancer
• Works at European Health Center Otwock
• Onco-surgeon with a focus on surgical oncology

Specializes in oncologic laparoscopic and robotic surgery for colon and rectum cancer with international training at top institutions.

• Performs laparoscopic hernia surgery and treats complex anorectal diseases
• Trained at University of Colorado Health Science Center and USC Keck School of Medicine
• Fellow of the European Board of Surgery- Emergency Surgery
• Associate Professor at Istanbul Medical Faculty General Surgery