| Turkey | Austria | Spain | |
| Radiation therapy for colorectal cancer | from $7,000 | from $12,000 | from $10,000 |
| Colectomy (large bowel resection) | from $6,912 | from $22,000 | from $18,000 |
| Chemotherapy for breast cancer | from $1,200 | from $15,000 | from $3,500 |
Prof. Christoph Zielinski leads Austria's largest oncology department at Vienna General Hospital, pioneering personalized cancer medicine.
Univ. Prof. Dr. Wolfgang Köstler is an Austrian medical oncologist specializing in targeted cancer therapies at Wiener Privatklinik.
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.