The third International Conference of Advances in Radiation Oncology (ICAR0-3) is following the successes of the first and second conferences, which were held in 2009 and 2017. The advances in radiotherapy in the last years have been striking, although numerous challenges remain, including achieving access to high standard cancer care in many countries. New radiotherapy techniques have been implemented in the past decades. The conference will give health care professionals an opportunity to review the current developments in clinical applications in the fields of radiation oncology, radiation biology and medical physics, with a view to addressing the challenges of appropriate cancer management in Member States. An appropriate number accredited continuing medical education (CME) credits will be awarded to participants.