| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 2.6 / 5 | Dusseldorf, Germany | 20+ years | Lung cancer surgery, Coronary bypass surgery | — | — | International Accreditation System for Interventional Oncology Services (IASIOS), German Cancer Society | ||
| #2 | 4.9 / 5 | Mülheim, Germany | 19+ years10,000+ treatments | Exercise test | — | — | — |