| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 5.0 / 5 (6 reviews) | Pamplona, Spain | — | Gamma Knife, Canadell technique, limb-preserving surgery | Pediatric osteosarcoma cases | 74% cure rate for osteosarcoma. Preserves limbs in 90% of cases using their patented Canadell technique. Spain's leading sarcoma center with 1,500+ sarcoma patients treated. | Joint Commission International , European Society for Medical Oncology |