| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.5 / 5 (242) | Istanbul, Turkey | 20+ years | Stomach cancer surgery, Tongue cancer surgery | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #2 | 4.6 / 5 (536) | Istanbul, Turkey | — | — | Radioiodine therapy, Chemotherapy for lung cancer | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | |
| #3 | 4.6 / 5 (18) | Guangzhou, China | — | — | Radiotherapy, Immunotherapy | — | — | — | |
| #4 | 5.0 / 5 | Punta Cana, Dominican Republic | — | — | Complex diagnostics of esophageal cancer | — | — | — | |
| #5 | 4.6 / 5 (131) | Bangkok, Thailand | — | — | Da Vinci Robotic System, Immunotherapy with Keytruda (Pembolizumab) | — | — | International Organization for Standardization, Joint Commission International | |
| #6 | 4.5 / 5 (57) | Frankfurt am Main, Germany | 41+ years | Immunotherapy for breast cancer, Hyperthermic Intraperitoneal Chemotherapy (HIPEC) | — | — | TÜV AG Сompany Research & Investing Certificate, TOP German hospital according to 2019 Focus ranking | ||
| #7 | 4.1 / 5 (42) | Istanbul, Turkey | 10+ years | Lobectomy, Allogenic bone marrow transplantation from an unrelated donor | — | — | The Baby-friendly Hospital Initiative (BFHI) by WHO and UNICEF, Turkish Medical Association | ||
| #8 | 5.0 / 5 (9) | Seoul, Republic of Korea | — | — | Chemotherapy for breast cancer, Lumpectomy | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #9 | 4.3 / 5 (8) | Thessaloniki, Greece | — | — | Robotic da Vinci prostatectomy, Radiotherapy for uterine cancer | — | — | TEMOS International Healthcare Accreditation, Global Healthcare Accreditation Program | |
| #10 | 4.8 / 5 (6) | 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 |