Tumor Marker Blood Test Doctors Abroad — Page 3

Dr. Tarik Akar is a gastroenterologist and gastrointestinal surgeon at Hisar Hospital Intercontinental in Istanbul. He specializes in early-stage gastrointestinal cancer treatment and complex esophageal conditions. Dr. Akar is an expert in POEM for achalasia and ESD for removing early tumors.

• Trained at Cerrahpaşa School of Medicine and Ankara University.
• Winner of Best Verbal Presentation and Best Poster at the International GI Cancers Congress.
• Authored over 25 papers published in international and local medical journals.
• Performs specialized procedures including G-POEM for gastroparesis and ERCP for bile ducts.

Dr. Serkan Keskin is a medical oncologist at Memorial Şişli Hospital in Istanbul. He ranked first in Turkey in the 2012 Medical Oncology Proficiency Exam. Dr. Keskin treats over 25 types of cancer, including breast, lung, and stomach cancers. He works at a JCI-accredited facility recognized for excellence in oncology.

• Secured second place in Turkey in the 2009 Minor Specialty Certificate Examination.
• Maintains membership in both the American Society of Clinical Oncology (ASCO) and ESMO.
• Uses chemotherapy, targeted therapy, and immunotherapy to treat complex tumors.
• Winner of the Best Poster Award at the 19th National Cancer Congress.

Dr. Mustafa Solak is a clinical oncologist at Hisar Hospital Intercontinental in Istanbul. He completed a fellowship at the prestigious Hacettepe University Cancer Institute. Dr. Solak previously practiced at The University of Texas MD Anderson Cancer Center. He treats a variety of complex cancers, including lung, breast, and gastrointestinal malignancies.

• Specializes in the treatment of testicular, ovarian, and head and neck cancers.
• Performs oncology procedures including chemotherapy, immunotherapy, and targeted therapy.
• Trained at Hacettepe University and Istanbul Sisli Etfal Training Hospital.
• Practices at a JCI-accredited facility that treats over 500,000 patients annually.

Dr. Savas Kansoy is a pediatric hematologist and oncologist at Anadolu Medical Center. He founded Turkey’s first pediatric bone marrow transplantation units. Dr. Kansoy treates children with leukemia, lymphoma, and aplastic anemia. He is a primary contributor to national stem cell transplant registries.

• Founded pediatric oncology and bone marrow transplant clinics across major Turkish hospitals.
• Performs haploidentical, allogenic, and autologous stem cell transplantations.
• Served as a board member of the Turkish Society of Hematology.
• Works at Anadolu Medical Center, an affiliate of the Johns Hopkins Hospital.

Dr. Suleyman Hilmi Aksoy is a radiologist at Hisar Hospital Intercontinental in Istanbul. He specializes in diagnostic radiology, teleradiology, and interventional radiology. Dr. Aksoy previously held an Assistant Professorship at the Istanbul University Radiology Department. He has contributed to 13 medical congresses with numerous oral and written presentations.

• Member of the European Society of Radiology and the International Society of Radiology.
• Holds certifications from the Turkish Society of Interventional Radiology.
• Performs diagnostic procedures like angiography, CT scans, and biopsies.
• Works at a JCI-accredited hospital that treats over 500,000 patients annually.

Dr. Yesim Yildirim is a medical oncologist at Anadolu Medical Center. She specializes in immunotherapy and targeted therapy for breast, lung, and gastrointestinal cancers. Dr. Yildirim is ESMO-certified and holds the rank of Professor. She completed training at Mount Vernon in the UK and Rambam Medical Center.

• Authored over 80 scientific publications on tumor biology and precision medicine.
• Treats complex cases including melanoma, sarcomas, and stage 4 lung cancer.
• Member of ASCO and the International Society of Gastrointestinal Oncology.
• Works at Anadolu Medical Center, an affiliate of Johns Hopkins Hospital.

Dr. Sebnem Izmir Guner is a hematologist at Hisar Hospital Intercontinental in Istanbul. She founded and directed multiple adult bone marrow transplantation centers. Dr. Guner specializes in leukemia, lymphoma, and complex coagulation disorders. She works at a JCI-accredited facility recognized for high safety standards.

• Performs haploidentical, related, and unrelated allogenic bone marrow transplants.
• Authored over 19 articles in international peer-reviewed journals.
• Received multiple academic awards for her contributions to hematology.
• Former founder and lead physician of therapeutic apheresis units.

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.

Dr. Oguzhan Babacan is a pediatric hematologist-oncologist at Hisar Hospital Intercontinental in Istanbul. He specializes in bone marrow transplantation for children with leukemia and lymphoma. Dr. Babacan has performed allogeneic, autologous, and haploidentical stem cell transplants for 13 years. He treats rare blood disorders and solid tumors in pediatric patients.

• Performs complex bone marrow transplants for leukemia and lymphoma cases.
• Treats childhood blood disorders like thalassemia, hemophilia, and aplastic anemia.
• Expertise in pediatric oncology, including neuroblastoma and Ewing's sarcoma.
• Works at Hisar Hospital, a JCI-accredited facility in Turkey.

Dr. Omer Necip Aytug is a gastrointestinal surgeon and gastroenterologist at Hisar Hospital Intercontinental. He has attained the rank of Professor and specializes in complex digestive tract procedures. Dr. Aytug treats conditions like Crohn's disease, ulcerative colitis, and Barrett's esophagus. He works at a JCI-accredited facility that serves over 500,000 patients every year.

• Performs stomach, gallbladder, and small intestine resections.
• Expert in laparoscopic anti-reflux surgery and duodenal polyp removal.
• Authored numerous papers and book chapters on gastroenterology.
• Conducts advanced diagnostics including capsule endoscopy and colonoscopy with biopsy.

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. Tugba Akin Telli is a medical oncologist at Istanbul Florence Nightingale Hospital. She completed clinical research fellowships at Institut Jules Bordet in Belgium. Dr. Telli also gained experience at the MD Anderson Cancer Center in the US. She focuses on chemotherapy and immunotherapy for cancer patients.

• Trained at Hacettepe University and Marmara University Faculty of Medicine.
• Performs PET-MRI and immunohistochemistry for precise cancer diagnosis.
• Provides care at a JCI-accredited smart hospital in Istanbul.
• Treats patients using protocols from top European and American cancer centers.

Dr. Sezer Saglam is a medical oncologist at Gayrettepe Florence Nightingale Hospital in Istanbul. He specializes in treating gastrointestinal and breast cancers. His research on rectal cancer timing has influenced global treatment protocols. Dr. Saglam develops personalized therapy plans using targeted medicine and precision techniques.

• Nominated for the International Best Researcher Award for work on liver cancer.
• Leads clinical trials focused on targeted therapies and precision oncology.
• Member of the American Society of Clinical Oncology (ASCO).
• Certified by the European Society for Medical Oncology (ESMO).

Dr. Pichai Kittipanyaworakul is an internal medicine specialist, gastroenterologist, and hepatologist at Intrarat Hospital in Bangkok. He holds a diploma in gastroenterology and hepatology from the prestigious Ramathibodi Hospital. Dr. Kittipanyaworakul treats digestive tract disorders and complex liver conditions. He works at Intrarat Hospital, an ISO-certified facility that treats over 100,000 patients annually.

• Performs specialized procedures including stomach resection, esophagectomy, and cholecystectomy.
• Provides diagnostic expertise in gastroscopy with biopsy, colonoscopy, and Fibroscan liver imaging.
• Manages laparoscopic anti-reflux surgery and laparoscopic gallbladder removal.
• Treats patients at a hospital with 26 departments and 200 resident physicians.

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. Tahsin Ozadli is a medical oncologist at Valued Med Hub Hospitals in Istanbul. He specializes in the treatment of lung, breast, and gastrointestinal cancers. Dr. Ozadli holds a specialization from the Dr. Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital. He works at a center authorized by the Turkish government for international health tourism.

• Administers immunotherapy, targeted therapy, and chemotherapy for multiple cancer types.
• Treats complex conditions including sarcoma, medulloblastoma, and nasopharyngeal cancer.
• Performs diagnostic procedures including liver biopsies, thyroid biopsies, and cancer screenings.
• Utilizes PET/CT and MRI for precise abdominal and pelvic tumor tracking.