ASTRO requests feedback on the draft Definition of Oligometastatic Disease from a Radiation Oncology Perspective consensus document. The scope of the document is to establish consensus regarding definitions of oligometastatic disease for 6 different topics related to OMD (disease characteristics, disease burden, timing of OMD, relation to other treatments, endpoints and impact of technology), and define gaps in current evidence. Comments can be submitted via webform through Monday, January 6, 2020