| Turkey | Austria | Spain | |
| Stereotaxic radiosurgery | from $4,500 | from $17,000 | from $12,000 |
| Radiation therapy for colorectal cancer | from $7,000 | from $12,000 | from $10,000 |
| Pneumonectomy | from $10,872 | from $50,000 | from $35,000 |
| Lung cancer surgery | from $17,000 | from $42,000 | from $40,000 |
| Chemotherapy for breast cancer | from $1,200 | from $15,000 | from $3,500 |
Professor Wolfgang Köstler is an internationally recognized oncologist focused on personalized treatments, including immunotherapy and targeted therapies. He integrates these approaches with his long-time academic and research leadership.
Dr. Christoph Zielinski is a prominent oncologist and Chairman of the Vienna Cancer Center. He serves as Medical Director of the International Oncology Center at Wiener Privatklinik. Dr. Zielinski specializes in immunotherapy and hematology. He has published over 600 scientific papers on individualized cancer treatment. Dr. Zielinski works at Wiener Privatklinik, a hospital ranked among the world's best by Newsweek.