| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (175) | Vienna, Austria | — | — | Сonsultation with an oncohematologist | — | — | World's Best Hospitals 2021 by Newsweek, International Organization for Standardization | |
| #2 | 3.8 / 5 (8) | Vienna, Austria | — | Сonsultation with an oncohematologist | — | — | — | ||
| #3 | — / 5 | Shanghai, China | — | — | Сonsultation with an oncohematologist | — | — | — | |
| #4 | 5.0 / 5 (2) | Ramat Gan, Israel | — | 45,000+ treatments | Bone marrow transplantation, Removal of rhabdomyosarcoma | — | — | Best Maternity Hospitals 2021 by Newsweek, World's Best Smart Hospitals 2021 by Newsweek | |
| #5 | 5.0 / 5 (58) | Istanbul, Turkey | — | — | Radiotherapy, Brain tumor removal | — | — | Joint Commission International , International Organization for Standardization | |
| #6 | 4.6 / 5 (540) | Istanbul, Turkey | — | — | Allogenic bone marrow transplantation from a related donor, Brain tumor removal | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | |
| #7 | 4.7 / 5 (162) | Istanbul, Turkey | — | — | Autologous bone marrow transplantation, CyberKnife | — | — | International Organization for Standardization, Joint Commission International | |
| #8 | 4.7 / 5 (492) | Barcelona, Spain | — | 23,000+ treatments | Removal of rhabdomyosarcoma, Radiation therapy for brain tumor | — | — | Joint Commission International , European Foundation for Quality Management | |
| #9 | 4.5 / 5 (171) | Tel Aviv, Israel | 38+ years34,000+ treatments | Сonsultation with an oncohematologist | — | — | World's Best Smart Hospitals 2021 by Newsweek, World's Best Hospitals 2021 by Newsweek | ||
| #10 | 4.6 / 5 (21) | Baku, Azerbaijan | — | — | Brain tumor surgery | — | — | Joint Commission International , Patient choice for Check-up |