| 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 | — | 23,000+ treatments | Immunotherapy, chemotherapy, targeted therapy, stereotactic radiosurgery | Lung cancer with brain metastases | Specializes in advanced lung cancer cases and brain metastases. Offers targeted therapies based on genetic mutations. Provides multidisciplinary care including neuro-oncology. | Joint Commission International , European Foundation for Quality Management | |
| #2 | 4.6 / 5 (5 reviews) | Barcelona, Spain | 37+ years | — | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT |