| 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 |
Univ. Prof. Dr. Wolfgang Köstler is an internationally recognized medical oncologist, bringing over 22 years of experience of expertise in systemic cancer therapy.
The doctor is a leading figure in medical oncology, hematology, and cancer immunotherapy, with a career spanning over four decades. After earning a medical degree from the University of Vienna in the 1970s, the doctor completed specialist training in internal medicine and oncology in the 1980s.
In the 1990s, the doctor was appointed Head of the Clinical Division of Oncology at the Medical University of Vienna, leading Austria's largest oncology department. The 2000s saw the founding of the Comprehensive Cancer Center Vienna, integrating patient care, research, and education.
The doctor served as President of the Central European Cooperative Oncology Group in the 2010s and currently holds positions as Chairman of the Vienna Cancer Center and Medical Director of Wiener Privatklinik’s International Oncology Center.
The doctor completed medical studies at the University of Vienna in 1998, with training at UCLA and the University of Pennsylvania. From 2000 to 2006, the doctor trained as a specialist in internal medicine at Vienna General Hospital, followed by additional specialization in gastroenterology and hepatology from 2006 to 2008, and internal intensive care medicine from 2008 to 2010.
The doctor established and managed the hepatic hemodynamics laboratory and the outpatient clinic for cirrhosis at the Medical University of Vienna in 2003. Since 2018, the doctor has been head of the Department for Internal Medicine I at the Hospital of the Barmherzigen Brüder Vienna.