| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (440 reviews) | Barcelona, Spain | 39+ years1,000+ treatments | Stereotactic body radiation therapy, image-guided radiotherapy, VMAT | Oligometastatic kidney cancer | Specializes in precise SBRT for lymph node metastases with 1,200+ treatments performed. JCI-accredited center with advanced imaging and real-time monitoring during therapy. | Joint Commission International , European Foundation for Quality Management | ||
| #2 | 3.8 / 5 (6 reviews) | Madrid, Spain | — | Brain MRI, Consultation with a neurosurgeon | — | — | World's Best Hospitals 2021 by Newsweek | ||
| #3 | 4.8 / 5 (41 reviews) | Barcelona, Spain | — | 14,000+ treatments | Radiation therapy for kidney cancer, Brain MRI | — | — | Bookimed Award: Best pediatric hospital, World's Best Specialized Hospitals 2022 by Newsweek | |
| #4 | 4.0 / 5 (0 reviews) | Madrid, Spain | — | — | Radiation therapy for kidney cancer, Consultation with a neurosurgeon | — | — | — |