| 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 | 26+ years23,000+ treatments | CyberKnife, chemoembolization, immunotherapy with Keytruda (Pembrolizumab), da Vinci robotic surgery | Complex or recurrent rectal cancer | Offers advanced treatments like CyberKnife and immunotherapy with Keytruda. Clinic has JCI accreditation and 1,100,000+ patients treated, with specialized oncologists like Dr. Jaume Capdevila. | Joint Commission International , European Foundation for Quality Management | ||
| #2 | 3.8 / 5 (6 reviews) | Madrid, Spain | — | — | — | — | World's Best Hospitals 2021 by Newsweek | ||
| #3 | 4.4 / 5 (6 reviews) | Barcelona, Spain | — | Consultation with an oncologist, Histopathology revision | — | — | Joint Commission International | ||
| #4 | 4.6 / 5 (16 reviews) | Madrid, Spain | — | 26,000+ treatments | Immunotherapy with Keytruda (Pembrolizumab), robotic surgery, targeted therapy, brachytherapy, radiotherapy | Advanced rectal cancer cases | Offers Keytruda immunotherapy and advanced robotic surgery with da Vinci Xi system. Equipped with precise brachytherapy and radiotherapy technology. Recognized as Best Private Medical Center in Madrid. | European Foundation for Quality Management, TÜV AG Сompany Research & Investing Certificate | |
| #5 | 2.5 / 5 (0 reviews) | Madrid, Spain | 36+ years | — | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT | ||
| #6 | 5.0 / 5 (6 reviews) | Pamplona, Spain | — | CyberKnife | Precision radiation therapy | Offers CyberKnife for precise radiation therapy. JCI-accredited with experience treating international patients. | Joint Commission International , European Society for Medical Oncology | ||
| #7 | 4.6 / 5 (5 reviews) | Barcelona, Spain | 8+ years | — | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT | ||
| #8 | 4.0 / 5 (0 reviews) | Madrid, Spain | 34+ years | Immunotherapy with Keytruda (Pembolizumab), Tomotherapy | — | — | — |