Best oncologists: TOP 626 doctors

Prof. Fermin Mearin Manrique is an experienced Spanish gastroenterologist with over 40 years of practice. He specializes in diagnostics and treatment of digestive system conditions, with a focus on functional digestive disorders management. He has extensive academic and professional experience, having written over 400 scientific works and being a member of numerous organizations.

Dr. Carlos Ballesta López is a top specialist in pancreatic cancer treatment, general and digestive surgery with 30+ years of experience. He is a pioneer in laparoscopic surgery, which reduces pain and recovery time for patients. He has performed over 12,000 operations of abdominal and digestive surgery by laparoscopy, and has organized courses of laparoscopic surgery for Spanish and foreign surgeons. He has a Bachelor of Medicine and Surgery from the University of Granada (1973), Medical specialist in General Surgery (1977) and Gastroenterology (1979), and is currently the Director of the Dr. Ballesta Laparoscopic Center.

1.Bachelor’s degree
- Doctor of medicine, Rangsit university.

2.Master’s degree

>Medical and health science degree
- Professional master’s degree in clinical nutrition in medicine.
- Professional master’s degree in integrative medicine.

>Management degree
- Professional master’s degree in hospital and health services management.

3.Doctorate degree
- Doctorate in psychology (candidate).

4.Diploma
- American Bord of nutritional wellness.
- American naturopathic certification board.

- Certified integrative oncology physician, American institute of integrative oncology.

- Certified fertility wellness physician.

- Certified CBT-I physician.

- Advanced nutritional wellness, IFNW.

-Biochemical and clinical analysis diploma.

- Functional gastroenterology and pediatric food allergies diploma.

- IV nutrition diploma, IFNW.

-Medicinal herbology diploma, IFNW.

Prof. Erhun Eyüboğlu is an experienced surgeon specializing in cancer and obesity surgery, particularly the Whipple procedure for pancreatic cancer. He has lectured at Johns Hopkins University and Istanbul University Cerrahpaşa Faculty of Medicine.

Dr. Sertkaya graduated from Konya Meram Science High School in 2001 and entered Gazi University Medical Faculty the same year, graduating in 2008. He completed his urology specialization at Haydarpaşa Numune Training and Research Hospital in 2014, becoming a urology specialist.

Since becoming a specialist, he has focused on the sub-branch of Andrology, attending various training sessions and conferences and performing surgeries with some of the world's leading Andrology professors. In 2017, he passed the written and oral proficiency exams conducted by the European Association of Urology, earning the title of "FEBU."

In 2020, Dr. Sertkaya achieved the rank of Associate Professor of Urology. His journey in Urology and Andrology, which began in 2008, continues at the Andro Expertise Male Health and Aesthetics Center, which he founded in 2022. He sees patients in his own clinic and performs surgeries at affiliated hospitals.

Oncologist, Specialist in skin cancer treatment

Dr. Pelles Sharon is an oncologist known for her skill in advanced cancer treatments and clinical research. She has led important studies on how cancer patients view and understand clinical trials. Her work has helped improve patient involvement and outcomes.

Dr. Sharon performs surgeries for colon and stomach cancer, HIPEC, SIRT therapy, and Whipple surgery. She also offers modern treatments such as immunotherapy, targeted therapy, and chemoembolization. She is respected for her high success rates and dedication to evidence-based care.

2018 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL BAHCELIEVLER HOSPITAL

Radiation Oncology Specialist

1986 - Present, Istanbul/Istanbul/Türkiye

ISTANBUL UNIVERSITY CERRAHPAŞA MEDICAL FACULTY

Radiation Oncology Specialist

2015 - 2018, Istanbul/Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Radiation Oncology Specialist

Medical Interests 

Infertility and Intra Uterin Insemination (IUI) 

IVF Treatment 

Gynecological laparoscopic surgeries 

Hysteroscopic operations 

Pregnancy and vaginal-cesarean birth 

Endometriosis and Adenomyosis 

Laparoscopic endometriosis surgery 

Myoma uteri and surgery of myoma uteri 

Fallopian tube diseases and surgeries 

Ovarian cysts and related laparoscopic operations 

Urinary incontinence surgery 

Gynecological aesthetic surgery 

Uterine and pelvic prolapse surgery 

Cervical premalign lesions and treatments

Education 

Ankara University, School of Medicine (1999 - 2006) 

Ankara Dr. Zekai Tahir Burak Women’s Health and Research Hospital, Proficiency (2007 - 2012) 

Istanbul Kanuni Sultan Suleyman Training and Research Hospital Asistant Prof. (2015 - 2017) 

European Board of Advanced Gynecological Laparoscopic Surgery, IRCAD Strassbourg France (2013) 

Istanbul Kanuni Sultan Suleyman Training and Research Hospital Associate Prof. (2017 - 2020) 

European Board of Endometriosis Surgery, IRCAD Strassbourg, France (2019) 

Experience 

Istanbul Kanuni Sultan Suleyman Training and Research Hospital (2014 - 2020) 

Istanbul Sisli Kolan International Hospital (2020 - 2021) 

Liv Hospital Ulus (2021 -) 

Memberships 

Turkish Society of Reproductive Medicine Association 

Turkish-German Gynecological Association 

Turkish Gynecology and Obstetrics Association 

European Society of Gynecological Endoscopy 

Minimal Invasive Gynecology Association 

Society of Minimal Invasive Urogynecology 

European Urogynecology Association

Considerable Previous Cases

Laparoscopic management of decidualized juvenile cystic adenomyoma mimicking a cornual pregnancy. 

Laparoscopic management of endometrioma coexisting with dermoid tumor in a single ovary presenting as atypical endometrioma 

A case of obstructed hemivagina and ipsilateral renal anomaly syndrome complicated with pyometra: tips and tricks for laparoscopic hemihysterectomy. 

Modified Extraperitoneal Uterosacral Ligament Suspension in Preventing Cuff Prolapse Risk after Vaginal Hysterectomy; 4 Clamp Method. 

Laparoscopic Blinded Endometrial Cavity Resection For Robert's Uterus. 

Laparoscopic Excision Of A Scar Pregnancy And Isthmocele Repair. 

The manchester procedure combined with laparoscopic sacrohysteropexy by retroperitoneal tunneling

Radiation oncologist

General and digestive tract surgeon with expertise in minimally invasive laparoscopic surgery. Has held Associate Clinical Lecturer and Lecturer positions at the University of Navarre School of Medicine. Member of the Spanish Association of Surgeons, Spanish Society of Obesity Surgery, and European Association for Endoscopic Surgery.

⸻

EDUCATION

2022

Associate Professor

2017 - 2020, Istanbul/Turkey

University of London, School of Hygiene and Tropical Medicine

Master’s Program in Clinical Trials

2013, Istanbul/Turkey

AMERICAN HOSPITAL, IVF UNIT

Ministry of Health Subspecialty Training in Reproductive Medicine

2005 - 2010, Istanbul/Turkey

İSTANBUL GÖZTEPE TRAINING AND RESEARCH HOSPITAL

Residency in Obstetrics and Gynecology

1998 - 2004, Istanbul/Turkey

İSTANBUL UNIVERSITY, CERRAHPAŞA FACULTY OF MEDICINE

Medical Doctor (M.D.) Education                                                                      

Dr. Lana Bijelic is a board-certified oncological surgeon. She specializes in peritoneal carcinomatosis. Since 2019, she has been part of the Carcinomatosis Surgical Group at the Teknon Oncology Institute. She trained under Prof. Paul Sugarbaker at Washington Hospital Center and brings strong expertise to her team.

Dr. Bijelic has worked as Research Director at Inova Fairfax Hospital. She has also been an associate professor at Virginia Commonwealth University and Georgetown University. She is an active member of the American College of Surgeons and the Society of Surgical Oncology.

Throughout her career, Dr. Bijelic has received many academic awards, including several Surgical Excellence Awards and top prizes in research. She is known for her leadership and important contributions to surgical oncology.

Dr. Jose Maria Raventos is a surgeon with 49 years of experience. He specializes in general, abdominal, endocrine, and thyroid surgery. He is known for his advanced laparoscopic skills. Dr. Raventos is also highly experienced in thyroid surgery, including complex thyroid cancer cases.

He has made important contributions to surgical research and education. He has published many scientific articles and is active in several professional associations. Dr. Raventos earned his medical degrees from the University of Barcelona and the University of Minnesota. He completed his residencies at the Red Cross Hospital of Barcelona and the Mayo Clinic in Rochester. He is a founding member of the Teknon Medical Center faculty and the Surgical Associate Surgeons group.

Dr. David Sarid is a specialist in oncology and radiotherapy based in Israel with expertise in chemotherapy, radiotherapy, and biological cancer therapy. He has been educated in the UK, Israel, and Georgia and has written over 30 articles devoted to cancer treatment. He is a lecturer at Tel Aviv University and a member of several medical organizations.

Dr. Harald Rosen is a leading abdominal surgeon. He specializes in endocrine, gastrointestinal, liver, colon, and bariatric surgeries. His expertise includes complex procedures such as sleeve gastrectomy and gastric anastomosis. Dr. Rosen is known for his research on improving the quality of life for rectal cancer patients after surgery. He also has a strong academic background in surgical oncology, with a focus on gastroenterology and breast cancer.

Dr. Rosen is President of the European Society of Surgery. He is also a Professor of Surgery at Vienna Medical School. He is accredited by the European Council for Surgical Qualifications and the Austrian Medical Council. Dr. Rosen has performed over 5,000 advanced surgeries with excellent results. He has published widely and is often invited as a visiting professor around the world.