| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (534 reviews) | Istanbul, Turkey | — | — | Chemotherapy for liver cancer, Radioiodine therapy | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | |
| #2 | 5.0 / 5 (0 reviews) | Punta Cana, Dominican Republic | — | — | PET/CT in lymphoma | — | — | — | |
| #3 | 4.5 / 5 (495 reviews) | Istanbul, Turkey | — | — | Bone marrow transplantation, The Wertheim-Meigs operation | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | |
| #4 | 4.6 / 5 (17 reviews) | Guangzhou, China | — | — | Radiotherapy, Immunotherapy | — | — | — | |
| #5 | 4.5 / 5 (57 reviews) | Frankfurt am Main, Germany | 36+ years | Radiotherapy for throat cancer, Immunotherapy for breast cancer | — | — | TÜV AG Сompany Research & Investing Certificate, TOP German hospital according to 2019 Focus ranking | ||
| #6 | 5.0 / 5 (3 reviews) | Cologne, Germany | — | — | Radiation therapy for colorectal cancer, Radiotherapy for uterine cancer | — | — | — | |
| #7 | 4.6 / 5 (131 reviews) | Bangkok, Thailand | — | — | Da Vinci Robotic System, Immunotherapy with Keytruda (Pembolizumab) | — | — | International Organization for Standardization, Joint Commission International | |
| #8 | 4.6 / 5 (98 reviews) | Antalya , Turkey | — | — | PET/CT in lymphoma | — | — | Turkish Medical Association, Straumann® Dental Implant System Official Provider | |
| #9 | 4.1 / 5 (42 reviews) | Istanbul, Turkey | 36+ years | Lobectomy, Allogenic bone marrow transplantation from an unrelated donor | — | — | The Baby-friendly Hospital Initiative (BFHI) by WHO and UNICEF, Turkish Medical Association | ||
| #10 | 4.8 / 5 (6 reviews) | Seoul, Republic of Korea | — | 32,000+ treatments | Colectomy (large bowel resection), Gamma Knife for brain tumor | — | — | Global Healthcare Accreditation Program, World's Best Hospitals 2021 by Newsweek |