| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.5 / 5 (170) | Tel Aviv, Israel | 29+ years34,000+ treatments | Mastectomy, Immunotherapy | — | — | World's Best Smart Hospitals 2021 by Newsweek, World's Best Hospitals 2021 by Newsweek | ||
| #2 | 4.6 / 5 (539) | Istanbul, Turkey | 33+ years | Brain tumor removal, Radiofrequency ablation | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #3 | 4.5 / 5 (260) | Istanbul, Turkey | 20+ years | Pneumonectomy, Transurethral resection of the bladder | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #4 | 4.6 / 5 (427) | Istanbul, Turkey | 25+ years | Lumpectomy , Lung cancer surgery | — | — | International Organization for Standardization, Joint Commission International | ||
| #5 | 4.7 / 5 (492) | Barcelona, Spain | 76+ years23,000+ treatments | Laser surgery for laryngeal cancer, Gland therapy for breast cancer | — | — | Joint Commission International , European Foundation for Quality Management | ||
| #6 | 4.7 / 5 (161) | Istanbul, Turkey | 20+ years | Tongue cancer surgery, Autologous bone marrow transplantation | — | — | International Organization for Standardization, Joint Commission International | ||
| #7 | 4.5 / 5 (2) | Xiamen, China | — | — | Consultation with an oncologist | — | — | — | |
| #8 | 4.6 / 5 (174) | Vienna, Austria | 44+ years | Consultation with an oncologist | — | — | World's Best Hospitals 2021 by Newsweek, International Organization for Standardization | ||
| #9 | 3.8 / 5 (6) | Madrid, Spain | — | Allogenic bone marrow transplantation from a related donor, Thyroidectomy | — | — | World's Best Hospitals 2021 by Newsweek | ||
| #10 | 4.6 / 5 (148) | Antalya , Turkey | 26+ years | Brain tumor removal, Thyroidectomy | — | — | Joint Commission International |