| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (487) | Barcelona, Spain | 50+ years280+ treatments | Lymphadenectomy, PET/CT | — | — | Joint Commission International , European Foundation for Quality Management | ||
| #2 | 5.0 / 5 (2) | Madrid, Spain | — | — | Lymphadenectomy | — | — | Joint Commission International , International Organization for Standardization | |
| #3 | 4.7 / 5 (44) | Barcelona, Spain | — | 14,000+ treatments | Consultation with an oncologist, Brain MRI | — | — | Bookimed Award: Best pediatric hospital, World's Best Specialized Hospitals 2022 by Newsweek | |
| #4 | 4.7 / 5 (17) | Madrid, Spain | — | 26,000+ treatments | MRI of one area, Biopsy | — | — | European Foundation for Quality Management, TÜV AG Сompany Research & Investing Certificate | |
| #5 | 4.7 / 5 (7) | Pamplona, Spain | — | PET/CT, Consultation with an oncologist | — | — | Joint Commission International , European Society for Medical Oncology |