Radiation oncology is the medical care and management of patients with cancer and other medical conditions through the conduct and supervision of radiation treatment, advice and provision of palliative and other supportive care, and advice and provision of other non-surgical cancer; advice and provision of other non-surgical cancer treatment including cytotoxic, hormonal and other drug therapies; participation in clinical trials and research related to cancer management.

Diagnostic and interventional radiology is the diagnosis and treatment of patients utilising imaging modalities, including general radiography, angiography, fluoroscopy, mammography, ultrasound, computed tomography, magnetic resonance imaging, nuclear medicine and bone densitometry.