Dr Ariyaratne MBBS MSc MD(Res) MRCP FRCR is a consultant clinical oncologist specialising in lung and gastro-intestinal cancers. Dr Hemal Ariyaratne is the lead for stereotactic ablative radiotherapy as a treatment for lung cancer at the Royal Free London. He is also the principal investigator for clinical trials in lung radiotherapy and lower gastro-intestinal radiotherapy at the Royal Free Hospital.

His research interests include the following treatments:

• stereotactic ablative radiotherapy
• immunotherapy integration with lung radiotherapy
• total neoadjuvant approaches to rectal chemoradiation




GMC number


• Ariyaratne H, Chesham H, Alonzi R. Image-guided radiotherapy for prostate cancer in the United Kingdom: a national survey. British Journal of Radiology 2017; 90(1070).
• Ariyaratne H, Chesham H, Pettingell J, Alonzi R. Image-guided radiotherapy for prostate cancer with cone beam CT – dosimetric effects of imaging frequency and PTV margin. Radiotherapy and Oncology 2016; 121(1): 103-108.

Research interests include image-guided radiotherapy.