Comprehensive diagnosis of Сolorectal Pathology Doctors Abroad — Page 3

Dr. Ozlem Ozer Chakir is a gastroenterologist at Istanbul Florence Nightingale Hospital. She was named a Rising Star at the 10th Digestive Disease and Endoscopy Symposium. Her expertise covers complex liver diseases, Crohn's disease, and Barrett's esophagus. Dr. Chakir treats patients at Turkey's first JCI-accredited smart-and-green hospital.

• Holds certificates in bariatric endoscopy from Brazil and endoscopy from South Korea.
• Maintains membership in the European Society of Gastrointestinal Endoscopy.
• Specializes in ERCP as a member of the Turkish Society of Gastroenterology study group.
• Treats gastrointestinal polyps and ulcerative colitis using modern diagnostic tools.

Dr. Arzu Guliyeva is a gastroenterologist at the Biological Medicine Integrative Health Center in Baku. She specializes in manageing chronic inflammatory conditions like Crohn's disease and ulcerative colitis. Dr. Guliyeva completed specialized training at Ege University and Sisli Etfal Hospital in Turkey.

• Treats precancerous gastrointestinal tract conditions and chronic autoimmune diseases.
• Uses serum ozonation and PRP-CGF techniques for metabolic and digestive disorders.
• Completed international training in Germany, Switzerland, and Russia on bioregulatory medicine.
• Works at a center that treats over 80,000 patients annually.

Dr. Viktor Alexander Krol is the Chief Physician of Gastroenterology and Internal Medicine at St. Martinus-Krankenhaus Düsseldorf. He also directs a certified Obesity Treatment Center. Dr. Krol treats complex diseases of the digestive tract, metabolism, and respiratory system. He works at one of only two German clinics accredited by the International Federation of Obesity.

• Performs bariatric surgeries and endoscopic weight loss procedures.
• Treats gastrointestinal conditions like pancreatitis, Crohn's disease, and cirrhosis.
• Manages internal medicine cases across cardiology, diabetology, and nephrology.
• Uses diagnostic tools including gastroscopy with biopsy and endosonography.

Dr. Seymur Aslanov is a gastroenterologist at Medicalpoint International Hospital in İzmir. He completed his subspecialty training at Ege University. Dr. Aslanov treats inflammatory bowel diseases, liver disorders, and digestive system cancers. He is a member of the Izmir Medical Chamber.

• Performs ERCP and endoscopic procedures to treat biliary tract diseases.
• Treats Crohn's disease and ulcerative colitis using stem cell therapy.
• Surgical expertise includes endoscopic polypectomy and stenting for gastrointestinal stenosis.
• Works at a JCI-accredited hospital with ISO and TEMOS quality certifications.

Dr. Hasan Mutlu is a medical oncologist at Medical Park Antalya Hospital Complex. He specializes in immunotherapy, targeted cancer therapies, and genetic research in cancer treatment. Dr. Mutlu received his medical degree from Hacettepe University. He holds the title of Professor of Medicine. Dr. Mutlu focuses on organ tumor diagnosis and chemotherapy.

• Specializes in both medical and pediatric oncology cases.
• Treats complex conditions including neuroblastoma, Wilms tumor, and Ewing's sarcoma.
• Performs biological therapies and stays active in next-generation genetic research.
• Works at the Mediterranean region’s largest private hospital with PET-CT and LINAC technology.

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.

Dr. Yasar Tuna is a gastroenterologist and gastrointestinal surgeon at Medical Park Antalya Hospital Complex. He specializes in the treatment of complex digestive conditions and bariatric surgery. Dr. Tuna performs procedures at a facility that houses one of Turkey's premier organ transplant centers.

• Treats chronic conditions including Crohn's disease, ulcerative colitis, and cirrhosis.
• Performs bariatric procedures such as gastric sleeve, gastric bypass, and gastric balloon.
• Member of the Turkish Society of Gastroenterology and the Endoscopy Association.
• Works at a facility that performs the most successful transplants in Turkey.

Dr. Mustafa Serkan Alemdar is a clinical oncologist at Medical Park Antalya Hospital Complex. He specializes in treating complex solid tumors and blood cancers. Dr. Alemdar completed his medical degree and oncology fellowship at Akdeniz University. He is an active member of the Turkish Society of Medical Oncology.

• Treats a wide range of cancers including breast, lung, and prostate.
• Expert in hematology-oncology for conditions like leukemia, myeloma, and lymphoma.
• Performs systemic therapies such as chemotherapy, immunotherapy, and targeted biological therapy.
• Works at a facility that houses specialized oncology-bone marrow units and LINAC technology.

Dr. Sanchez Yague is a gastroenterologist at Quirónsalud Marbella in Spain. He was the first professional globally to use the 15-mm AXIOS stent. This device drains pancreatic fluid collections. He pioneered submucosal endoscopic dissection in Spain. Dr. Sanchez Yague also introduced gastroenteroanastomosis with luminal apposition stents to Andalusia.

• Fellow of the American College of Gastroenterology (FACG).
• Fellow of the American Society for Gastrointestinal Endoscopy (FASGE).
• Coauthored European Society of Gastrointestinal Endoscopy guides on chronic pancreatitis.
• Winner of the Top Reviewer Award from the Gastrointestinal Endoscopy Journal.

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. Benal Buyukgebiz is a pediatrician and gastroenterology specialist at Istanbul Florence Nightingale Hospital. She served as the Chair of the Department of Pediatrics at Yeditepe University. Dr. Buyukgebiz treats complex digestive conditions in children, including Crohn's disease and ulcerative colitis. She works at a JCI-accredited facility that treats 300,000 patients every year.

• Former President of the Phenylketonuria Children Screening and Protection Association, İzmir Branch.
• Maintains membership in the European Metabolic Group and the Liver Research Society.
• Specializes in pediatric nutrition and the management of chronic gastritis and cirrhosis.
• Performs diagnostic procedures including gastroscopy with biopsy and colonoscopy.

Dr. Shencan Acar is a gastroenterologist at Istanbul Florence Nightingale Hospital. She focuses on hepatology and liver disease management. Dr. Acar specializes in inflammatory bowel diseases like Crohn’s and ulcerative colitis. She previously served as the Head of Department at Giresun University Faculty of Medicine.

• Authored over 20 international peer-reviewed articles.
• Expert in managing complex post-transplant gastrointestinal complications.
• Treats rare conditions like aortoesophageal fistulas and massive hemorrhagic ascites.
• Performs endoscopic interventions for acute gastrointestinal bleeding.

Dr. Nail Paksoy is an associate professor of medical oncology at Medipol Bahçelievler Hospital. He is board-certified by the European Society for Medical Oncology (ESMO). Dr. Paksoy specializes in lung, breast, and gastrointestinal cancers. He uses modern immunotherapy and targeted therapy protocols. His clinic is JCI-accredited for high safety standards.

• Served as a subinvestigator in over 8 international clinical trials for Roche and Pfizer.
• Authored over 40 research articles in journals indexed by SCI and SSCI.
• Completed dual fellowships in allergy-immunology and medical oncology.
• Treats complex sarcomas and renal cell carcinomas with systemic therapies.

Dr. Ercan Ozden is a medical oncologist and internal medicine specialist at VM Medical Park Pendik. He provides treatment for a wide range of cancers, including breast, lung, and colon cancer. Dr. Ozden trained at Istanbul University, Cerrahpasa Faculty of Medicine. He later completed a medical oncology subspecialty at Kocaeli University.

• Specializes in immunotherapy, target therapy, and chemotherapy for complex cases.
• Treats patients at a JCI-accredited hospital in Istanbul.
• Performs staging and biopsies for liver, lung, and pancreatic tumors.
• Provides targeted immunotherapy using medications like Keytruda.

Dr. Omer Burcak Binicier is a gastroenterologist at Medicalpoint International Hospital in Izmir. He focuses on early-stage gastrointestinal cancers and inflammatory bowel diseases. Dr. Binicier completed international training at the Korea University Faculty of Medicine. He treats complex liver, pancreatic, and digestive system disorders using manual and robotic-assisted techniques.

• Performs therapeutic endoscopy including EMR, ESD, and ERCP.
• Provides minimally invasive obesity treatments like intragastric balloons.
• Expert in endoscopic ultrasound for precise digestive tract imaging.
• Practices at JCI-accredited Medicalpoint International Hospital.

Prof. Selin Kapan has been a Professor of General Surgery since 2017. She is currently with Istanbul Aydın University, Faculty of Medicine, Department of General Surgery (2022–present). She previously worked at Bakırköy Dr. Sadi Konuk Training and Research Hospital as a Specialist and Associate Professor. She also served as Educational and Administrative Supervisor at Kanuni Sultan Süleyman Training and Research Hospital. In addition, she was Medical Coordinator and General Surgeon at Istanbul Surgery Hospital.

She has authored or co-authored more than 50 peer-reviewed papers. Her research covers hernia repair, perianal fistula, pilonidal disease, hepatic hydatid disease, laparoscopic surgery, and gastrointestinal surgery. Her work has been published in journals such as Digestive Surgery, Hernia, Techniques in Coloproctology, and the Journal of Gastrointestinal Surgery. She is a member of the Turkish Surgical Association, the National Trauma and Emergency Surgery Association, the Hernia Society, the Turkish HPB Surgery Association, the Stem Cell and Cellular Therapies Association, and the Gastroesophageal Reflux Association.

Dr. Esteban Lopez-jamar is a pioneer in endoscopic ultrasound in Spain. He heads the Digestive Endoscopy Unit at Hospital Ruber Internacional.

• Specializes in ecoendoscopy for precise colorectal pathology and oncology diagnostics
• Performs advanced interventional endoscopy for early cancer and neoplasia treatment
• Leads international research on Barrett's esophagus and early cancer detection
• Participates in multicenter European clinical trials for advanced endoscopic technologies
• Member of the European Society of Gastrointestinal Endoscopy (ESGE)

Professor Beni Boursi leads gastrointestinal cancer research at Sheba Medical Center. He specializes in early detection and predictive models for colorectal pathology diagnosis.

• Developed predictive models specifically for the early diagnosis of colorectal cancer
• Completed a fellowship in gastrointestinal oncology at the University of Pennsylvania
• Trained in medical oncology at prestigious centers including Mayo Clinic and MD Anderson
• Published research in major journals like Science on cancer development and treatment
• Founded the ECOG-ACRIN Microbiome Working Group to improve cancer therapy results

The doctor is a highly experienced medical professional with over 20 years of experience at the Hadassah Medical Center. Graduating from the Faculty of Medicine of the Hebrew University of Jerusalem in 1996, the doctor specializes in the diagnosis and treatment of temporomandibular joint disorders. The doctor is proficient in English, Hebrew, and Russian, enhancing communication with a diverse patient population.