| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (65 reviews) | Solingen, Germany | 31+ years | Colonoscopy, PET/CT | — | — | Best doctor for herniated disc treatment, German Cancer Society | ||
| #2 | 2.6 / 5 (0 reviews) | Dusseldorf, Germany | — | — | CT (computer tomography), MRI of one area | — | — | International Accreditation System for Interventional Oncology Services (IASIOS), German Cancer Society |