| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (536) | Istanbul, Turkey | — | — | Lymphoma chemotherapy, Bone marrow transplantation | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | |
| #2 | 4.7 / 5 (44) | Barcelona, Spain | — | 14,000+ treatments | Bone marrow transplantation, Sarcoma surgery | — | — | Bookimed Award: Best pediatric hospital, World's Best Specialized Hospitals 2022 by Newsweek | |
| #3 | 4.6 / 5 (18) | Guangzhou, China | — | — | Gamma Knife for brain tumor, Radiotherapy | — | — | — | |
| #4 | 4.4 / 5 (5) | Marbella, Spain | — | — | Complex diagnostics of nephroblastoma | — | — | Joint Commission International | |
| #5 | 4.6 / 5 (131) | Bangkok, Thailand | — | — | CyberKnife for brain tumor, CyberKnife | — | — | International Organization for Standardization, Joint Commission International | |
| #6 | 4.1 / 5 (42) | Istanbul, Turkey | — | — | Chemotherapy for Sarcomas, Brain tumor removal | — | — | The Baby-friendly Hospital Initiative (BFHI) by WHO and UNICEF, Turkish Medical Association | |
| #7 | 4.3 / 5 (8) | Thessaloniki, Greece | — | — | Complex diagnostics of nephroblastoma | — | — | TEMOS International Healthcare Accreditation, Global Healthcare Accreditation Program | |
| #8 | 4.8 / 5 (6) | Seoul, Republic of Korea | — | 32,000+ treatments | Gamma Knife for brain tumor, Brain tumor removal | — | — | Global Healthcare Accreditation Program, World's Best Hospitals 2021 by Newsweek | |
| #9 | 4.5 / 5 (7) | Seoul, Republic of Korea | — | 65,000+ treatments | Sarcoma surgery, Bone marrow transplantation | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | |
| #10 | 3.5 / 5 (4) | Seoul, Republic of Korea | — | — | Brain tumor surgery, Cryodestruction | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation |