Döbling Private Hospital
| Turkey | Austria | Spain | |
| Radiation therapy for colorectal cancer | from $7,000 | from $12,000 | from $10,000 |
| Radiation Therapy for Sarcomas | from $3,250 | from $18,000 | from $8,000 |
| Proton-beam therapy | from $70,000 | from $80,000 | from $25,574 |
| Proton therapy for prostate cancer | from $30,000 | from $80,000 | from $70,000 |
| Proton therapy for breast cancer | from $30,000 | from $55,000 | from $85,000 |
Prof. Köstler is a distinguished medical oncologist specializing in targeted therapies, with over 22 years of experience of experience in breast and gynecologic cancers at Wiener Privatklinik.
The doctor is an esteemed gynecologist and obstetrician with 38 years of experience, specializing in operative gynecology, mammology, and oncological gynecology. Skilled in laparoscopic and endoscopic operations on pelvic organs, the doctor is dedicated to advancing medical knowledge through teaching and publications.
Graduating from Vienna State University in 1986, the doctor served at the University Women's Clinic in Vienna, becoming deputy chief physician of the Department of Gynecology and Maternity Care in 1994. Since 2001, the doctor has been the medical director of a private clinic and oversees the Department of Maternity Care.