Physica Medica - European Journal of Medical Physics, will publish in 2021 a Focus Issue containing selected papers from contributions to ECMP 2020 (European Congress of Medical Physics, 24-26 September 2020, Torino, Italy). Soon after the Conference, contributing authors, selected by a group of Guest Editors nominated by the Editor-in-Chief, will be invited to send electronically their manuscript, via the EJMP website, for the peer-review process according to the strict evaluation rules of EJMP. There will be no page charges for this Focus Issue which will contain regular papers (not Proceedings papers). Authors might wish to select the Open Access option and corresponding publication fee. Deadline for submission of invited contributions:31 December 2020.