| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.5 / 5 (22 reviews) | Seoul, Republic of Korea | 45,000+ treatments | Brain tumor removal, Chemotherapy | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | ||
| #2 | 4.6 / 5 (215 reviews) | Istanbul, Turkey | 24+ years | Stomach cancer surgery, Chemotherapy | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #3 | 4.7 / 5 (360 reviews) | Istanbul, Turkey | — | — | Radiation therapy for brain tumor, Proton-beam therapy | — | — | International Organization for Standardization, Joint Commission International | |
| #4 | 4.6 / 5 (127 reviews) | Antalya , Turkey | — | — | Thyroid resection , Prostatectomy | — | — | Joint Commission International | |
| #5 | 4.6 / 5 (515 reviews) | Istanbul, Turkey | 27+ years | Lumpectomy , Chemotherapy for stomach cancer | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #6 | 4.7 / 5 (441 reviews) | Barcelona, Spain | 39+ years1,000+ treatments | Immunotherapy for prostate cancer, Complex treatment of Ewing's sarcoma | — | — | Joint Commission International , European Foundation for Quality Management | ||
| #7 | 4.7 / 5 (134 reviews) | Istanbul, Turkey | — | — | Tongue cancer surgery, Removal of spinal cord tumor | — | — | International Organization for Standardization, Joint Commission International | |
| #8 | 4.2 / 5 (33 reviews) | Mexicali, Mexico | — | — | Radiofrequency ablation, Mastectomy | — | — | Consejo de Salubridad General, Consejo Mexicano de Oftalmología | |
| #9 | 4.6 / 5 (130 reviews) | Hamburg, Germany | — | — | Stomach cancer surgery, Brachytherapy for prostate cancer | — | — | International Organization for Standardization, Medical Travel Quality Alliance | |
| #10 | 4.3 / 5 (16 reviews) | Hamburg, Germany | — | — | Gastroectomy, Chemotherapy | — | — | International Organization for Standardization, Medical Travel Quality Alliance |