| Turkey | Austria | Spain | |
| Small intestine resection | from $13,608 | from $25,000 | from $18,000 |
| Radiation therapy for colorectal cancer | from $7,000 | from $12,000 | from $10,000 |
| Radiation therapy for bowel cancer | from $5,800 | from $6,855 | from $3,998 |
| Hyperthermic Intraperitoneal Chemotherapy (HIPEC) | from $22,500 | from $40,000 | from $25,000 |
| Chemotherapy for breast cancer | from $1,200 | from $15,000 | from $3,500 |
As an Associate Professor and former Deputy Head of Oncology at the Medical University of Vienna, Prof. Köstler focuses on targeted, personalized cancer medicine.
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.
Dr. Arnulf Ferlitsch heads the Internal Medicine department at the Hospital of the Barmherzigen Brüder Vienna. He is a specialist in gastroenterology, hepatology, and intensive care medicine. He trained at prestigious US institutions, including UCLA and the University of Pennsylvania. Dr. Ferlitsch established the hepatic hemodynamics laboratory at the Medical University of Vienna.