| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.5 / 5 (23 reviews) | Seoul, Republic of Korea | 45,000+ treatments | Radiotherapy for cervical cancer, Radioiodine therapy | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | ||
| #2 | 4.6 / 5 (236 reviews) | Istanbul, Turkey | 24+ years | Removal of colon cancer, Stomach cancer surgery | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #3 | 4.6 / 5 (145 reviews) | Antalya , Turkey | — | — | Brain tumor removal, Allogenic bone marrow transplantation from a related donor | — | — | Joint Commission International | |
| #4 | 4.6 / 5 (414 reviews) | Istanbul, Turkey | — | — | Immunotherapy with Keytruda (Pembolizumab), Thyroidectomy | — | — | International Organization for Standardization, Joint Commission International | |
| #5 | 4.6 / 5 (152 reviews) | Istanbul, Turkey | — | — | Removal of spinal cord tumor, Immunotherapy with Keytruda (Pembolizumab) | — | — | International Organization for Standardization, Joint Commission International | |
| #6 | 4.6 / 5 (534 reviews) | Istanbul, Turkey | 27+ years | Liver resection, Chemotherapy for liver cancer | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #7 | 4.7 / 5 (484 reviews) | Barcelona, Spain | 39+ years1,000+ treatments | Radiotherapy for prostate cancer, Excision of skull base tumor | — | — | Joint Commission International , European Foundation for Quality Management | ||
| #8 | 4.8 / 5 (223 reviews) | Istanbul, Turkey | — | — | Laser surgery, Thyroidectomy | — | — | Certification according to DIN EN ISO 9001 by TÜV NORD CERT, Joint Commission International | |
| #9 | 4.5 / 5 (495 reviews) | Istanbul, Turkey | — | — | Bone marrow transplantation, The Wertheim-Meigs operation | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | |
| #10 | 4.1 / 5 (39 reviews) | Mexicali, Mexico | — | — | Magnetic Resonance-guided Focused Ultrasound Surgery (MRgFUS), Bone marrow transplantation | — | — | Consejo de Salubridad General, Consejo Mexicano de Oftalmología |