| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (534 reviews) | Istanbul, Turkey | — | — | Liver resection, Chemotherapy for liver cancer | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | |
| #2 | 4.6 / 5 (236 reviews) | Istanbul, Turkey | 20+ years | Removal of colon cancer, Stomach cancer surgery | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #3 | 4.6 / 5 (153 reviews) | Istanbul, Turkey | — | — | Removal of spinal cord tumor, Immunotherapy with Keytruda (Pembolizumab) | — | — | International Organization for Standardization, Joint Commission International | |
| #4 | 4.5 / 5 (495 reviews) | Istanbul, Turkey | — | — | Bone marrow transplantation, The Wertheim-Meigs operation | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | |
| #5 | 4.7 / 5 (65 reviews) | Solingen, Germany | — | — | Rectal resection, Radiofrequency ablation | — | — | Best doctor for herniated disc treatment, German Cancer Society | |
| #6 | 4.4 / 5 (33 reviews) | Istanbul, Turkey | — | — | Stomach cancer surgery, Radiotherapy for throat cancer | — | — | International Organization for Standardization, Joint Commission International | |
| #7 | 4.5 / 5 (57 reviews) | Frankfurt am Main, Germany | — | — | Radiotherapy for throat cancer, Immunotherapy for breast cancer | — | — | TÜV AG Сompany Research & Investing Certificate, TOP German hospital according to 2019 Focus ranking | |
| #8 | 4.6 / 5 (17 reviews) | Guangzhou, China | — | — | Radiotherapy, Immunotherapy | — | — | — | |
| #9 | 4.4 / 5 (13 reviews) | Tel Aviv, Israel | — | 92,000+ treatments | Bone marrow transplantation, Robotic da Vinci prostatectomy | — | — | Joint Commission International | |
| #10 | 5.0 / 5 (1 review) | Istanbul, Turkey | — | — | Fine-needle aspiration biopsy | — | — | International Organization for Standardization, Joint Commission International |