Best Tumor Marker Blood Test Doctors Abroad

Dr. Hughes Hyun is a board-certified surgeon at Sourasky Medical Center. He uses his surgical expertise to lead precise diagnostic evaluations.

• Practices at Sourasky Medical Center – one of Israel's top hospitals
• Certified by the medical board in surgery
• Specializes in minimally invasive techniques for accurate diagnosis
• Performs robotic-assisted procedures for complex cases
• Collaborates with lab teams for precise tumor marker blood test analysis

Dr. Nichakorn Seehirunwong is a diagnostic radiologist at Intrarat Hospital in Bangkok. She specializes in interpreting medical imaging results and informing complex treatment plans. Dr. Seehirunwong earned her medical degree from the Prince of Songkla University. She also completed her diagnostic radiology certification at the same institution.

• Performs imaging-guided procedures and radiation oncology treatments.
• Treats pediatric oncology cases including neuroblastoma and Wilms tumor.
• Provides diagnostic support for brain tumors, sarcomas, and lymphomas.
• Works at Intrarat Hospital, an ISO 9001:2015-certified facility in Thailand.

Dr. Joseba Rebollo Liceaga is a clinical oncologist at Quirónsalud Alicante. He focuses on personalized cancer treatments and gene-based therapies for metastatic breast cancer. Dr. Rebollo Liceaga teaches as a professor of Multidisciplinary and Personalized Oncology. He treats various conditions, including prostate, colon, and thyroid cancers.

• Former Head of Oncology at Clínica San Miguel and Hospital General de Villalba.
• Researches electrochemotherapy and multidisciplinary approaches for complex cases.
• Practices at JCI-accredited Quirónsalud Torrevieja, a leading center in southeastern Spain.
• Expert in diagnostics using PET-CT, mammography, and tumor marker blood tests.

Dr. Yusuf Acikgoz is a medical oncologist at Lokman Hekim University Ankara Hospital. He specializes in treating complex cancers, including lung, breast, and liver malignancies. He completed a fellowship at Ohio State University in the United States. Dr. Acikgoz manages treatments like chemotherapy, radioembolization, and immunotherapy.

• Member of the American Society of Clinical Oncology (ASCO).
• Assistant Investigator for Phase III clinical trials, including the CheckMate-649 study.
• Certified in Good Clinical Practice and Human Subjects Protection at Ohio State University.
• Performs diagnostic procedures like biopsy, gastroscopy, and tumor marker testing.

Dr. Avi Beri leads the Laparoscopic Surgery Center at Sourasky Medical Center. He uses tumor marker blood tests alongside fusion biopsies to diagnose prostate cancer.

• Specializes in oncosurgery for prostate, kidney, and complex bladder cancers
• Performs robotic da Vinci surgery for precise tumor removal and faster recovery
• Director of the Laparoscopic Surgery Center at a top Israeli hospital
• Uses transrectal ultrasound for high-accuracy cancer detection and staging
• Practices advanced minimally invasive techniques for male reproductive organ health

Dr. Liu Shi Xin is the Vice Chairman of the Radiation Oncology Branch of the Chinese Medical Association. He serves as the Discipline Leader of the Oncology Center at Xiamen Humanity Hospital. Dr. Liu specializes in precision radiotherapy for thoracic and abdominal cancers. He is a recipient of the State Council Special Government Allowance for his medical contributions.

• Highly proficient in IMRT, VMAT, and SBRT for lung and esophageal cancers.
• Former President of Jilin Provincial Cancer Hospital.
• Awarded the National Famous Doctor honor for outstanding contributions to oncology.
• Holds leadership roles in the Chinese Anti-Cancer Association particle therapy committee.

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. Baha Zengel is a general surgeon at Medicalpoint International Hospital. He specializes in oncoplastic breast surgery and thyroid diseases. He holds a doctorate in Basic Oncology from Dokuz Eylül University. Dr. Zengel serves as a founding board member of the Basic Oncology Association. He works at a JCI-accredited facility in İzmir.

• Performs breast-conserving mastectomy and simultaneous reconstructions.
• Expert in ROLL and SNOLL localization techniques for non-palpable lesions.
• Treats patients using laparoscopic cholecystectomy for gallbladder diseases.
• Former board member of the Aegean Region Surgery Association.

Professor Johannes Drach authored over 120 papers on cancer detection. He leads the Josefstadt Private Clinic where tumor marker blood tests assist in monitoring oncological health.

• Trained at MD Anderson Cancer Center in Houston – a world leader in oncology
• Expert in blood cancers – treats leukemia, myeloma, and various types of lymphoma
• Former deputy head of oncology at the University Hospital of Internal Medicine I
• Board member of the Austrian Society of Hematology and Oncology
• Researched chromosomal changes – identifies abnormal proteins to shape modern cancer therapy

Associate Professor Tahsin Ozatli practices at Istinye University Liv Hospital Bahcesehir. He uses tumor marker blood tests to track breast, lung, and gastrointestinal cancers.

• Previously served as a doctor at the Ankara Oncology Clinic
• Held senior clinical roles at Malatya State Hospital
• Practiced oncology at the Erzurum Regional Training and Research Hospital
• Earned his medical degree from Selcuk University Faculty of Medicine

Dr. Cemil Bilir is a professor of medical oncology at VM Medical Park Pendik Hospital in Istanbul. He specializes in immunotherapy and chemotherapy for lung, breast, and prostate cancers. A former research fellow at Northeastern University in Boston, he focused on pharmaceutical biotechnology and nanomedicine. Dr. Bilir works at a JCI-accredited facility where academic physicians provide around-the-clock care.

• Member of the American Society of Clinical Oncology (ASCO) and ESMO.
• Completed a specialized clinical rotation at the Cleveland Clinic in the U.S.
• Treats complex oncological cases, including stage 4 lung cancer and sarcoma.
• Current Ph.D. student in inorganic chemistry at Sakarya University.

Dr. Hasan Atilla Ozkan is a hematologist at VM Medical Park Pendik Hospital in Istanbul. He is the President of the Turkish Therapeutic Apheresis Association. Dr. Ozkan specializes in stem cell transplantation and hematological oncology. He received the Young Researcher Award at the 6th Turkish Therapeutic Apheresis Congress.

• Expert in autologous and allogeneic bone marrow transplantation.
• Treats complex blood disorders including leukemia, lymphoma, and myeloma.
• Certified in clinical phytotherapy and flow cytometry application.
• Full member of the European Bone Marrow Transplantation (EBMT) group.

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.

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.

The doctor holds a Doctor of Medicine degree from the Faculty of Medicine, Ramathibodi Hospital, Mahidol University, earned in 2022. The professional practice is centered on general disease diagnosis, treatment, and comprehensive wellness care.

The doctor maintains specialized credentials, including certification in Anti-aging and Regenerative Medicine from the American Board of Antiaging and Regenerative Medicine (ABAARM), as well as certification in Nutritional Wellness from the American Naturopathic Certification Board (ANCB). The doctor is proficient in both Thai and English.

Dr. Cheon Wonseok is Head of Gastroenterology at Na-Eun Hospital. He treats gastrointestinal disorders. He performs upper endoscopy, colonoscopy, polypectomy, and ESD. He manages gastric and esophageal cancer and Helicobacter pylori infection. He also treats liver disease and inflammatory bowel disease, including Crohn’s disease and ulcerative colitis. He offers small-bowel capsule endoscopy.

Accreditations: Board-certified specialist in gastrointestinal endoscopy. Lifetime member, Korean Society of Gastrointestinal Endoscopy. Full member, Korean Association of Internal Medicine.

Training: Kyung Hee University College of Medicine. Internship, Kyung Hee University Medical Center. Residency in internal medicine, Hallym University Sacred Heart Hospital. Clinical fellowship in gastroenterology, Chung-Ang University Hospital.

Dr. Muhammed Mustafa Atci is an Associate Professor of Medical Oncology at Liv Hospital Topkapı. He specializes in treating colon, breast, gastric, and lung cancers. He previously served as the Education Coordinator at Prof. Dr. Cemil Taşcıoğlu City Hospital. Dr. Atci is a member of the American Society of Clinical Oncology (ASCO).

• Author of 19 peer-reviewed papers on gastrointestinal, thoracic, and endocrine cancers.
• Published studies on survival outcomes for stage IIB colon cancer in the Journal of Chemotherapy.
• Researches prognostic biomarkers using PET/CT scans and metabolic tumor volume.
• Treats complex oncological cases at the university-affiliated İstinye University clinic.

Dr. Irfan Cicin is a Professor of Medical Oncology at İstinye University Liv Hospital Topkapı. He specializes in treating complex cancers, including glioblastoma, lung cancer, and pancreatic tumors. He serves as a professor at the Trakya University Faculty of Medicine. Dr. Cicin previously served as a physician in the Turkish Air Force.

• Performs systemic therapies such as immunotherapy, chemotherapy, and hormone therapy.
• Treats a wide range of conditions including gynecologic, orthopedic, and neuro-oncology cases.
• Expert in HIPEC and chemoembolization for liver and abdominal malignancies.
• Works at a 300-bed university hospital with 33 medical departments.

Dr. Selin Kapan is a general surgery professor at İstinye University Liv Hospital Topkapı. She specializes in gastrointestinal surgery and laparoscopic hernia repair. Dr. Kapan has published over 50 peer-reviewed papers in international medical journals. Her research focuses on perianal fistulas and hepatic hydatid disease.

• Performs bariatric procedures including gastric sleeve and bypass surgeries.
• Expert in hernia repair using laparoscopic and robotic techniques.
• Treats complex conditions like salivary gland tumors and pilonidal disease.
• Is a member of the Turkish Surgical Association and the Hernia Society.