Seoul National University Hospital is South Korea's top cancer centre with one of the highest treatment success rates. Australians can access a fully digitalised patient data system and support in English. Diagnostics like oncologist consultation start from around A$50, with PET/CT scans from about A$1,300. The clinic offers advanced Gamma Knife radiotherapy for osteosarcoma, which may cost around A$19,100–26,400 and includes radiotherapy sessions, imaging, and consultations. It's conveniently located 20 km from Gimpo International Airport for easy travel.