| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (536) | Istanbul, Turkey | — | — | Stomach cancer surgery, Radiotherapy for breast cancer | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | |
| #2 | 4.8 / 5 (244) | Istanbul, Turkey | — | — | Thyroidectomy, Mastectomy | — | — | Certification according to DIN EN ISO 9001 by TÜV NORD CERT, Joint Commission International | |
| #3 | 4.6 / 5 (419) | Istanbul, Turkey | 29+ years | Cryotherapy, Tomotherapy | — | — | International Organization for Standardization, Joint Commission International | ||
| #4 | 4.6 / 5 (156) | Istanbul, Turkey | — | — | Allogenic bone marrow transplantation from a related donor, Stereotaxic radiosurgery | — | — | International Organization for Standardization, Joint Commission International | |
| #5 | 4.9 / 5 (56) | Istanbul, Turkey | — | — | Transnasal resection of tumor, Radiation therapy for brain tumor | — | — | Turkish Medical Association, International Health Tourism Authorization Certificate | |
| #6 | 4.4 / 5 (34) | Istanbul, Turkey | — | — | Bladder removal, Whipple surgery | — | — | International Organization for Standardization, Joint Commission International | |
| #7 | 5.0 / 5 (1) | Istanbul, Turkey | — | — | Histopathology revision | — | — | International Organization for Standardization, Joint Commission International | |
| #8 | 4.2 / 5 (19) | Istanbul, Turkey | 2016+ years | Chemotherapy for prostate cancer, Rectal resection | — | — | Best clinic for radiotherapy, Best price for PET/CT | ||
| #9 | 4.5 / 5 (495) | Istanbul, Turkey | — | — | Gamma Knife for brain tumor, Lung cancer surgery | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | |
| #10 | 4.1 / 5 (42) | Istanbul, Turkey | 10+ years | Radiotherapy for breast cancer, Gastroectomy | — | — | The Baby-friendly Hospital Initiative (BFHI) by WHO and UNICEF, Turkish Medical Association |