OP83 A pREDictive Model of Polymetastatic Disease from a Multicenter LArge RetrospectIve daTabase on Colorectal Lung Metastases Treated with Stereotactic ABlative Radiotherapy: Early Results from the RED LaIT-SABR
OP82 Assess Critical Tasks in Postoperative Spine Stereotactic Radiation Therapy in Presence of High Density Implants Using a Robotic Radiotherapy Device