Colon Cancer Stage 4 Doctors Worldwide

Dr. Raanan Berger is the Director of the Cancer Center at Sheba Medical Center. He was listed in Forbes Israel’s “Best Doctors” in 2025. Dr. Berger specializes in genitourinary oncology and radiates complex prostate tumors. He completed a postdoctoral fellowship at the Dana-Farber/Harvard Cancer Institute.

• Heads the clinical research unit focusing on molecular oncology.
• Co-authored over 20 peer-reviewed papers on prostate cancer and BRCA mutations.
• Member of the American Society of Clinical Oncology (ASCO).
• Performs systemic therapy and radiotherapy at a Top-10 globally ranked hospital.

Dr. Beni Boursi is a leading oncologist at Sheba Medical Center. He founded the ECOG-ACRIN Microbiome Working Group. He specializes in treating gastrointestinal cancers using innovative microbial modulation. Dr. Boursi is board certified in internal medicine and medical oncology. He earned his medical degree with highest honors from Tel Aviv University.

• Completed oncology fellowships at the University of Pennsylvania.
• Trained in medical oncology at MD Anderson and Mayo Clinic.
• Developed predictive models for early colorectal and pancreatic cancer diagnosis.
• Published research on microbiome-oncology in the prestigious journal Science.

Dr. Brenda Pastrana is a board-certified surgical oncologist specializing in colon cancer at Galenia Hospital.

• Board certified by Conacem with credentials valid through 2030
• Member of the Mexican Society of Oncology (SMEO)
• University teacher at Universidad Anahuac of Medicine since 2020
• Trained at Centro Medico Nacional 20 de Noviembre Issste

Prof. Elke Jaeger is a top sarcoma specialist at Nordwest Clinic, recognized as one of Germany's best oncologists by Focus rating.

• 41 years of experience in oncology and hematology
• Head of Oncology and Hematology at Nordwest Clinic
• Specializes in advanced cancer treatments

Dr. Ayşe İrem Yasin is a medical oncologist at Medipol Acıbadem District Hospital in Istanbul. She holds a prestigious ESMO Board Certificate. Dr. Yasin specializes in solid tumors, including breast, lung, and gastrointestinal cancers. She treats complex cases such as Merkel cell carcinoma and cancers of unknown primary.

• Trained at Harvard Medical School, Cleveland Clinic, and Basel University Hospital.
• Completed a clinical observership at the Breast Cancer Unit in Novara, Italy.
• Treats brain and CNS malignancies, soft tissue sarcomas, and urologic cancers.
• Works at a JCI-accredited facility equipped with the da Vinci robotic system.

Dr. Atakan Topcu is a medical oncologist at Medipol Acibadem District Hospital in Istanbul. He specializes in treating solid tumors including lung, breast, and colorectal cancers. Dr. Topcu is an Associate Professor with over 50 peer-reviewed scientific publications. He sits on the Editorial Board of the medical journal BMC Cancer.

• Expertise in immunotherapy, targeted therapies, and geriatric oncology care.
• Treats cancer-related malnutrition, cachexia, and sarcopenia.
• Maintains active membership in the European Society for Medical Oncology (ESMO).
• Works at a JCI-accredited hospital specializing in advanced oncology treatments.

Dr. Mariam Abu Zeid is a clinical oncologist at Shefaa Al Orman International Oncology Hospitals. She is certified by the European Society for Medical Oncology. Dr. Abu Zeid treats solid tumors and hematologic cancers. She holds a Ph.D. in Clinical Oncology and Nuclear Medicine from Ain Shams University.

• Administers chemotherapy, immunotherapy, and targeted treatments for various cancer types.
• Oversees oncology clinical trials and manages treatment-related toxicities.
• Coordinates patient care within multidisciplinary teams for complex staging and diagnosis.
• Practices at an ESMO-accredited center that treats approximately 6,000 patients annually.

Dr. Osama Abdel Mohimen Mohamed leads the Hematology Unit at Shefaa Al Orman Oncology Hospital. He treats complex blood cancers, including leukemia, lymphoma, and myeloma. Dr. Mohamed is a member of the European Society for Medical Oncology. He also holds memberships in the American Society of Hematology and ASBMT.

• Specializes in chemotherapy, immunotherapy, and bone marrow transplantation.
• Manages aggressive acute leukemia and chronic blood disorders.
• Treats complications arising from various solid tumors.
• Works at an ESMO-accredited center that handles 6,000 patients annually.

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

Prof. Dr. Gül Alço is a radiation oncologist with about 27 years of experience. She treats breast, lung, prostate, gastrointestinal, gynecologic, central nervous system, head and neck, soft tissue, and bone cancers with radiotherapy.

Her expertise includes adaptive radiotherapy and radiosurgery. She uses advanced radiation techniques to provide personalized, evidence-based care in a multidisciplinary, patient-centered setting.

Dr. Keun-Wook Lee is an oncologist at Seoul National University Bundang Hospital (SNUBH). He treats gastrointestinal cancers, including esophageal, small intestine, and stage 4 colon cancer. Dr. Lee works at a facility ranked among the World's Best Smart Hospitals by Newsweek.

• Treats hematology-oncology and solid tumor cases.
• Works at SNUBH, a medical center treating 1.5 million patients annually.
• Practices at a hospital accredited by the Global Healthcare Accreditation Program.
• Treats advanced-stage colorectal cancer.

Prof. Dr. Abdullah Sakin is a professor of medical oncology. He treats solid tumors, including lung, breast, gastrointestinal, genitourinary, gynecologic, head and neck cancers, and melanoma.

He delivers personalized, evidence-based care. His treatments include chemotherapy, targeted therapy, immunotherapy, hormone therapy, and precision oncology. He has authored more than 200 scientific publications and takes part in international clinical research. This work advances patient-centered cancer care.

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

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

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

Performed over 3,000 complex surgical interventions – Professor Kraus is a nationally recognized specialist in pancreatic surgery at Nordwest Clinic.

• Has over of experience as a top gastrointestinal surgeon
• Specializes in Whipple procedures and surgical treatment of liver metastases
• Trained at world-leading centers including Memorial Sloan-Kettering and Johns Hopkins
• Uses advanced intraoperative techniques like sonography and minimal invasion
• Founder and Director of the German Society 'Art of Surgery'