Comprehensive diagnosis of Сolorectal Pathology Doctors Abroad — Page 5

Professor Ersin Ozturk completed a colorectal surgery fellowship at the Cleveland Clinic in the USA. He leads surgical oncology at Medicana Bursa Hospital.

• Specializes in diagnosing and treating digestive tract cancers
• Uses laparoscopic surgery for minimally invasive colorectal evaluations
• Integrates a Ph.D. in physiology to handle complex intestinal pathologies
• Expert in proctology – treats hemorrhoids and congenital anal defects
• Performs liver and pancreatic screenings for colorectal cancer staging

The doctor is a highly experienced specialist in the field of neurosurgery, with a focus on advanced surgical techniques for treating complex brain and spinal disorders. With over 15 years of clinical experience, the doctor has performed numerous successful surgeries, contributing significantly to the field through innovative approaches and patient-centered care.

Graduated from a prestigious medical school and completed rigorous residency and fellowship programs. The doctor is board-certified and has published extensively in peer-reviewed journals, sharing insights and advancements in neurosurgical procedures.

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.

Assoc. Prof. Orhan Ünal Zorba, MD, is a urologist focused on andrology and endourology. He has about 25 years of experience. He currently sees patients at Private TUSA Hospital. He started there on 8 June 2026.

His academic work includes 29 international and 13 national publications and 7 book chapters. He has given at least 9 presentations at international congresses. His studies have been presented at EAU, ESSM, ICS, and EULIS meetings. He served as Assistant and Associate Professor of Urology from 2009 to 2016. He is a member of the Istanbul Medical Chamber, the Turkish Association of Urology, the Turkish Society of Andrology, and the Eastern Black Sea Association of Urologists.

Key areas include male infertility (micro‑TESE; outcomes in 191 patients with non‑obstructive azoospermia), microsurgical varicocele repair, prostate surgery (HoLEP, TURP), endoscopic stone surgery (URS, PCNL), and uro‑oncology. He speaks English.

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. Shaunak Valame is a medical oncologist at HCG Manavata Cancer Centre. He focuses on the molecular basis of cancer for precise colorectal pathology assessment.

• Trained at Indraprastha Apollo Hospital – one of the most prestigious medical centers in India
• Presented stomach cancer research at the ASCO Gastrointestinal Cancer Symposium in San Francisco
• Member of the American Society of Clinical Oncology – a leading global oncology organization
• Expert in targeted therapies – treatments that attack cancer cells while sparing healthy tissue
• Lectured at the International Winter School of Oncology at AIIMS Bhopal

Dr. Daniela Osuská is a gastroenterologist at the National Cancer Institute in Bratislava. She serves on the supervisory board of the Slovak Gastroenterological Society’s Oncology Section. Dr. Osuská trains other physicians in endoscopic techniques. She specializes in the early detection and treatment of gastrointestinal cancers.

• Performs gastroscopy with biopsy and removal of gastric or duodenal polyps.
• Treats complex conditions like Barrett's esophagus, pancreatitis, and ulcerative colitis.
• Educates the medical community as a member of the Section of Young Gastroenterologists.
• Presents clinical research at professional conferences throughout Slovakia and abroad.

Dr. Raj Nagarkar has performed 50,000+ cancer surgeries. He leads surgical oncology at HCG Manavata Cancer Centre and manages complex colorectal pathology cases.

• Performed thousands of surgeries for liver, pancreatic, and colorectal cancers
• Professor for DNB Superspecialty Surgical Oncology – trains future cancer surgeons
• Member of the Royal College of Surgeons of Edinburgh in the UK
• Participated in 200+ clinical trials to advance cancer treatment protocols
• Completed surgical oncology residency at the prestigious Tata Memorial Hospital

Prof. Dr. İbrahim Doğan is a gastroenterologist. He earned his MD from Ankara University Faculty of Medicine in 1991. He became an Internal Medicine specialist at Gazi University in 1996. He completed gastroenterology subspecialty training at İnönü University in 2001.

His academic career was at Gazi University. He served as Lecturer (2002), Assistant Professor (2003), Associate Professor (2007), and Professor (2012). He worked as a researcher at the University of California San Diego from 2004 to 2006. He has practiced at Koru Hospital since January 2023.

Clinical focus includes gastroesophageal reflux, irritable bowel syndrome, constipation, gastroparesis, achalasia, bloating, gas and belching, fecal incontinence, ulcerative colitis, and Crohn’s disease. He performs ERCP, stent placement, balloon and bougie dilation, polypectomy, argon plasma coagulation, double-balloon enteroscopy, and bleeding control.

Prof. Dr. Musa Aydınlı is an internal medicine specialist and gastroenterologist. He completed his MD at Hacettepe University in 1997. He finished internal medicine training in 2003 and gastroenterology training in 2007 at the same institution. He worked at Kayseri Training and Research Hospital from 2007 to 2009. He served in the Gastroenterology Department at Gaziantep University from 2009 to 2014. He became an associate professor in 2012 and a professor in 2020. He joined Gülhane Training and Research Hospital in 2022. He now practices at Private Koru Ankara Hospital.

Clinical focus: GERD; dyspepsia, gastritis, and Helicobacter pylori; peptic ulcer disease; celiac disease; IBS and IBD (ulcerative colitis, Crohn’s disease); colon polyps; colorectal and upper GI cancers; liver disease (fatty liver, chronic hepatitis, cirrhosis, portal hypertension); hepatobiliary and pancreatic disorders and cancers. Procedures: EGD, rectosigmoidoscopy, and colonoscopy; biopsy, polypectomy, and endoscopic mucosal resection; hemostasis and APC; dilation and stent placement; PEG; ERCP; EUS-guided biopsy.

Dr. Juraj Letkovsky is a gastroenterologist at the National Cancer Institute in Bratislava. He specializes in the endoscopic diagnosis and treatment of digestive tract tumors. Dr. Letkovsky is a co-author of a multicenter study on colonoscopy quality in Slovakia. He also holds a PhD in internal medicine from Comenius University.

• Performs endosonography and ERCP for pancreatic and biliary diseases.
• Certified in both diagnostic and interventional esophagogastroduodenoscopy.
• Sits on the Oncology and Endoscopy committees of the Slovak Gastroenterology Society.
• Treats complex conditions like Barrett’s esophagus and ulcerative colitis.

Professor Kim Jong-yeon is a gastroenterologist at Myongji Hospital. He treats diseases of the esophagus, stomach, colon, and liver, including cirrhosis and hepatitis. He performs therapeutic endoscopy, such as endoscopic polypectomy. He also serves as Deputy Director of the International Healthcare Center.

He is a member of the Liver Failure Center. He works with teams in hepatology, liver cancer, and transplantation to provide coordinated care for advanced liver disease and for transplant candidates.

MD, Jeonbuk National University College of Medicine. Clinical Professor of Gastroenterology at Myongji Hospital. Member of the Korean Association of Internal Medicine, the Korean Society of Gastroenterology, and the Korean Society of Gastrointestinal Endoscopy. Former resident and fellow at Inje University Ilsan Paik Hospital.

Dr. Boris Pekárek heads the Gastroenterology Department at the National Cancer Institute in Bratislava. He specializes in the endoscopic treatment of early-stage gastrointestinal tumors. Dr. Pekárek is the current chair of the Endoscopy Section of the Slovak Gastroenterological Society. He focuses on removing lesions in the esophagus, stomach, colon, and rectum.

• Serves as a trainer of endoscopic techniques in Slovakia and abroad.
• Former chair of the Oncology Section of the Slovak Gastroenterological Society.
• Treats complex conditions like Barrett's esophagus and ulcerative colitis.
• Performs minimally invasive removal of gastric and duodenal polyps.

Dr. Nihat Okcu is a gastroenterologist and gastrointestinal surgeon at Medipol University Pendik Hospital. He specializes in the treatment of complex digestive conditions and liver diseases. Dr. Okcu has published over 20 academic papers on gastric cancer and endoscopic diagnosis. He serves at a hospital with a 95.4% healthcare quality score.

• Performs laparoscopic anti-reflux surgery and small intestine resections.
• Expert in gastric polyps removal and duodenal polyp excision.
• Treats chronic conditions like cirrhosis, Crohn’s disease, and ulcerative colitis.
• Provides diagnostic gastroscopy with biopsy and ultrasound-guided procedures.