Dr Fiona Hegi-Johnson is a Radiation Oncologist at the Peter MacCallum Cancer Centre in Victoria and Senior Research Fellow at the University of Melbourne. Clinically, she specialises in the treatment of patients with lung and breast cancer, including a subspecialty interest in stereotactic ablative body radiotherapy (SABR). 

Fiona is also the Chair of the Trans-Tasman Radiation Oncology (TROG) Lung Subspecialty Group and is the chief investigator on a number of clinical trials in lung cancer. Fiona’s research programme, which is supported by a Victorian Cancer Agency Fellowship, focuses on using novel PET tracer to integrate biological and imaging information into radiotherapy to develop personalized, biologically driven approaches to radiotherapy treatment. This is research collaboration with Professor Michael MacManus at Peter Mac, Professor Paul Donnelly and Dr Stacey Rudd at the Bio21 in the University of Melbourne, Professor Andrew Scott at Dr Christian Wichmann at ONJCRI and Professor Anna Nowak at the University of Western Australia, has seen the development of PET tracers to image immunity the and their evaluation in multicentre clinical trials in lung cancer, mesothelioma and lymphoma patients

Fiona is one of the Conference Chairs for the International Association for Lung Cancer (IASLC) World Lung conference in 2023 and is also a Board Director for TROG.