| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 3.8 / 5 (6 reviews) | Madrid, Spain | — | PET/CT, MRI of the chest | — | — | World's Best Hospitals 2021 by Newsweek | ||
| #2 | 4.6 / 5 (16 reviews) | Madrid, Spain | — | 26,000+ treatments | Immunotherapy with Keytruda (Pembrolizumab), targeted therapy, nuclear medicine, robotic surgery | Advanced lung cancer cases | Offers Keytruda immunotherapy and advanced robotic surgery. Uses Da Vinci Xi system for precise operations. HM CIOCC recognized as Best Private Medical Center in Madrid. | European Foundation for Quality Management, TÜV AG Сompany Research & Investing Certificate | |
| #3 | 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 | ||
| #4 | 4.0 / 5 (0 reviews) | Madrid, Spain | 34+ years | Brachytherapy, Immunotherapy with Keytruda (Pembolizumab) | — | — | — |