| Turkey | Austria | Spain | |
| Proton-beam therapy | from $25,000 | ≈ $24,000 | ≈ $24,000 |
| Proton therapy for prostate cancer | ≈ $30,000 | ≈ $28,000 | ≈ $22,000 |
| Proton therapy for breast cancer | ≈ $28,000 | ≈ $55,000 | ≈ $16,000 |
| Chemotherapy for breast cancer | from $3,000 | ≈ $9,500 | from $1,700 |
| Brachytherapy | from $6,500 | ≈ $5,500 | from $8,100 |
Prof. Zielinski founded and directed Austria's flagship Comprehensive Cancer Center Vienna, leading Europe's largest oncology department for decades. His career is dedicated to translating research into personalized patient care.
Dr. Harald Rosen specializes in advanced endoscopic and minimally invasive techniques for gallbladder cancer at Wiener Privatklinik.
Univ. Prof. Dr. Wolfgang Köstler specializes in targeted therapies for solid tumors, with a focus on breast and gynecologic cancers at Wiener Privatklinik.
Assoc. Prof. Priv.-Doz. Dr. Alexander W. Hauswirth is a specialist in internal medicine and haemato‑oncology at JUVENIS. Since 2010, he has served as the lead senior physician for Haematology/Haemostaseology and Oncology at the Clinic for Internal Medicine I, Medical University of Vienna/AKH Vienna, Austria’s largest hospital.
He earned his medical degree from the University of Vienna in 1999. He received the venia docendi in 2010 and was appointed Associate Professor in 2012. He completed an additional haemato‑oncology qualification in 2014. As a Schrödinger Fellow in Salamanca in 2009–2010, he researched CLL stem and precursor cells. He has published regularly since 2000.
Accreditations include Austrian Medical Chamber diplomas in emergency medicine (since 2009) and sports medicine (2018). Awards include the Schrödinger Fellowship (2009), the ÖGHO award (2009), and the European Society of Chemotherapy poster award (2003). Clinical focus: anaemias, leukaemias, lymph node disorders, clotting and anticoagulation, and pre‑operative clearance. Languages: German and English.