PRELUDE-1 (Prospective Evaluation of Radiotherapy-induced Biologic Effects in Colorectal Cancer Oligometastatic Patients With LUng-limited Disease: Evolution of Cancer Genetics and Regulatory Immune Cells)

PRELUDE-1 study is a pilot intervention trial that aims to describe the immunologic and genetic evolutions induced by stereotactic body radiationtherapy (SBRT) treatment in oligometastatic Colorectal Cancer (omCRC) patients with two-three nodules lung-limited disease.