Best oncologists: TOP 660 doctors

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.

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.

Dr. Ersan Eroglu is an Associate Professor and general surgery specialist. He has served at Memorial Bahçelievler Hospital since 2018. He has been an Assistant Professor at Istanbul Bilim University since 2014. He also lectures at Istanbul Arel University since 2023. He earned his MD from Fırat University. He completed his general surgery residency at Haydarpaşa Numune.

He has authored 16 scientific articles. He has 25 national and 3 international congress presentations. He won First Prize in Turkey for laparoscopic right hemicolectomy in ileocecal neuroendocrine tumors. He contributed a translation to the SAGES Hernia Repair Manual (laparoscopic TEP/TAPP). He is a member of the Turkish Medical Association, the Turkish Surgical Society, and the Colon and Rectal, Bariatric and Metabolic, and Endocrine Surgery societies.

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. Ahmet Belici is an experienced medical oncologist with 20+ years of experience specializing in sarcoma and lung cancer treatments.

Medical Interests and Activities 

Gastrointestinal diseases 

Oncologic laparoscopic surgery 

Anorectal area diseases 

Urgent surgical cases (acute cholecystitis, divertikülit, ileus, pankreatit, appendicitis) 

Colon and rectum cancer 

Treatment of oncologic surgical cases with further laparoscopic and robotic surgery. 

Laparoscopic hernia surgery 

Esophagus and stomach cancer 

Selim anorectal diseases (hemorrhoidal disease, anal fissure), perianal fistula, pilonoidal sinus (hairless- non-surgical treatment)

Education and Experience 

İstanbul University Medical Faculty 1988 

University of Colorado Health Science Center – Intern Surgeon 

Isparta, Dedeçam Şehit Ramazan Karaca Health Center (1995-1996) 

İstanbul Surgery Hospital – American Hospital (2000-2001) 

Chief assistant Istanbul Medical Faculty, Department of General Surgery (2001-2008) 

World Congress on Peritonel Surface Malignancies (HIPEC course) Berlin, Germany (2012) 

USC Keck School of Medicine, Los Angeles, CA, USA (2006-2007) 

Assoc. Prof. M.D. , İstanbul Medical Faculty General Surgery (2008-2014) 

Da Vinci Robotic Intensive Course at IRCAD, Strasbourg, France (2011) 

Stony Brook Medicine Cadaver Training Event in Colon and Rectal Surgery, New York, USA (2016) (Instructor) 

Fellow of the European Board of Surgery- Emergency Surgery (FEBS EmSurg) Honorary Diploma (2017) 

Prof. M.D. , İstanbul Medical Faculty General Surgery (2014 -2017) 

İstanbul University Medical Faculty – General Surgery Master of Science 1996 

University of Southern California Medical Center, Department of General Surgery, Los Angeles, USA – February 2006 – February 2007

Liv Hospital

Memberships 

Turkish Society of Surgery 

National Endoscopic Laparoscopic Surgery Association 

Turkish Colon and Rectum Surgery Association 

National Trauma and Emergency Surgery Association 

Hepato-Pancreato-Bilier Surgery Association 

Istanbul Surgical Association 

Flebology Association 

ESTES (European Society of Trauma and Emergency Surgery) 

International Society of Surgery (ISS)

Dr. Nejat Akalan is a leading neurosurgeon specializing in brain and nerve surgeries, with over 35 years of experience. His areas of expertise include epilepsy, glioma, skull injuries, movement disorders, spine tumors, herniations, and other nervous disorders. He uses advanced techniques in his surgeries and has published 117 scientific papers and a book.

Professor Riccardo Rosati is the Head of the Gastrointestinal Surgery (GI) Department at the San Raffaele Research Hospital in Milan, Italy. He is a highly experienced surgeon with over 30 years of experience, having completed medical degrees in general medicine and general surgery, as well as specialization in thoracic surgery. He is a member of multiple surgical associations, and has written over 300 publications. His department treats approximately 2,000 surgical cases per year.

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.

Dr. Ofer Merimsly is the best sarcoma, lymphoma, and lung cancer doctor within Israel and in the world. Also specializes in Whipple surgery treatment for patients with pancreatic cancer. Head of the National Center for sarcomas of bone and soft tissues of the Tel Aviv Medical Center Sourasky (Ichilov).

Specialty:

• Treatment of all types of lung cancer and thoracic organs
• Treatment of all types of sarcomas of bone and soft tissue
• Treatment stromal tumors of the gastrointestinal tract

Education and specialization:

• Higher medical education, graduated the Medical Faculty of the Hebrew University of Jerusalem, Israel
• Residency in General Oncology and Radiotherapy
• Training in the field of radiotherapy and brachytherapy at New York Hospital, USA
• Special refresher course for the treatment of tumors of the skeleton and soft tissues, Paris. France

Membership:

• President of the Society of oncologists and radiotherapists Israel
• The American Scientific Cancer Society
• European scientific medical organization
• European Society of Oncology of the musculoskeletal system
• International Society for the treatment of tumors of the connective tissue

Dr. Tamer Atasever is a Nuclear Medicine Specialist with 39 years of experience, speaking English and Turkish. He is a professor in Gazi University and has been a director of the Department of Nuclear Medicine in Ankara Order Laboratory. He is a member of the Turkey Association of Nuclear Medicine and the European Association of Nuclear Medicine.

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.

Professor Massimo Falconi is a gastrointestinal oncologist with over 30 years of experience specializing in pancreatic diseases. He practices at Ospedale San Raffaele in Milan and has led 3,600 surgeries, including distal, total, middle pancreatectomies , pancreatic resections, and enucleations. He is the Director of the Pancreatic Surgery and the Pancreas Translational and Clinical Unit at IRCCS Ospedale San Raffaele with international experience in Japan, Spain, Germany, and Sweden. Prof. Falconi has written over 330 articles and taken part in 350+ Italian and 220+ international conferences, and is a member of several organizations.

• 2021 - Currently, Istanbul/Turkey
  MEMORIAL ŞİŞLİ HOSPITAL
  Dermatology Specialist
• 2021 - Currently, Istanbul/Turkey
  MEMORIAL ATAŞEHİR HOSPITAL
  Dermatology Specialist
• 2013 - 2021, Istanbul/Turkey
  MEDENİYET UNIVERSITY
  Lecturer
• 2013 - 2016, Istanbul/Turkey
  MEDENİYET UNIVERSITY
  Head of Department
• 2013 - 2014, Istanbul/Turkey
  MEDENİYET UNIVERSITY
  Director of the Institute of Health Sciences
• 2012 - 2012, /ABD
  PITTSBURGH UNIVERSITY
  Visiting Scholar
• 2010 - 2013, Erzurum/Turkey
  ATATURK UNIVERSITY MEDICAL FACULTY
  Professor, Lecturer, Dermatology Specialist
• 2001 - 2007, Van/Turkey
  YUZUNCU YIL UNIVERSITY
  Assistant Professor, Dermatology Specialist

Dr. Kemal Raşa is a highly experienced General Surgeon specializing in Modern Thyroidology & Laparoscopic Surgery with 23 years of experience. He is affiliated with several medical associations and has published several papers in his field.

Medical Fields of Interest 

• Thoracoscopic and Robotic Minimally Invasive Surgery 

• Lung Cancers 

• Trachea Surgery 

• Lung Transplantation 

• Lung Biopsy • Pneumothorax (collapsed lung) 

• Diaphragmatic Surgery • Surgery of Pleural Diseases 

• Pediatric Thoracic Surgery

Education 

• Istanbul University, Istanbul Faculty of Medicine 

•Istanbul Galatasaray High School 

• Primary Education Ankara, Samsun, Izmir 

Dr. Duygu Derin is an experienced medical oncologist who specializes in treating gastrointestinal cancers, lung cancer, and gynecologic neoplasms. She is a member of several oncology associations and has published more than 30 national and international scientific papers. She graduated from Galatasaray Medical High School and achieved a Medical Doctor rank from the Medical Faculty of Istanbul University. She has completed internships and professional development courses in various hospitals and holds the title of Associate Professor.

Doctor Oreste Gentilini is an Italian specialist in breast cancer treatment with over 20 years of experience, providing over 5,000 breast cancer surgeries. He is the head of the Breast Unit in San Raffaele Hospital and the SOUND study at the European Institute of Oncology of Milan. He has authored over 100 papers on breast tumors treatment, with a focus on breast cancer management in young women and pregnant patients. He is a founding member and Vice President of EU-BREAST, and a member of the board of directors of the Italian National Association of Senologists and Surgeons (ANISC).