| 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 | 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 | 4.4 / 5 (6 reviews) | Barcelona, Spain | — | Histopathology revision, Consultation with an oncologist | — | — | Joint Commission International | ||
| #3 | 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 |