| Turkey | Austria | Spain | |
| Radiation therapy for colorectal cancer | from $7,000 | from $12,000 | from $10,000 |
| Chemotherapy for breast cancer | from $1,200 | from $15,000 | from $3,500 |
Prof. Zielinski leads Wiener Privatklinik's International Oncology Center, specializing in personalized cancer medicine and immunotherapy.
Univ. Prof. Dr. Wolfgang Köstler is a distinguished medical oncologist who helped pioneer targeted therapies – a core strategy for treating many liver cancers today.
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.