| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (438 reviews) | Barcelona, Spain | 41+ years23,000+ treatments | Partial nephrectomy, radical nephrectomy, robotic surgery, laparoscopy | Complex Wilms tumor cases | Specializes in nephroblastoma treatment with minimally invasive techniques like robotic surgery. JCI-accredited clinic with experienced oncologists performing 900+ procedures. | Joint Commission International , European Foundation for Quality Management | ||
| #2 | 3.8 / 5 (6 reviews) | Madrid, Spain | 19+ years | Chemotherapy, targeted therapy, immunotherapy, da Vinci robotic surgery, True Beam radiation therapy | Pediatric Wilms tumor cases | Specializes in pediatric oncology with personalized treatment plans. Offers participation in clinical trials for eligible patients. Uses advanced robotic surgery and precision radiation therapy. | World's Best Hospitals 2021 by Newsweek | ||
| #3 | 4.8 / 5 (41 reviews) | Barcelona, Spain | 30+ years14,000+ treatments | Consultation with an oncologist, CT scan of the body part | — | — | Bookimed Award: Best pediatric hospital, World's Best Specialized Hospitals 2022 by Newsweek | ||
| #4 | 4.4 / 5 (6 reviews) | Barcelona, Spain | 38+ years | Consultation with an oncologist, CT scan of the body part | — | — | Joint Commission International | ||
| #5 | 4.6 / 5 (16 reviews) | Madrid, Spain | 31+ years26,000+ treatments | Complex treatment of nephroblastoma, targeted therapy, nuclear medicine, robotic surgery | Advanced pediatric kidney tumors | Specialized cancer center with Da Vinci Xi robotic system for precise surgery. Offers targeted therapy and nuclear medicine options. Recognized as Best Private Medical Center in Madrid. | European Foundation for Quality Management, TÜV AG Сompany Research & Investing Certificate |