Clinical, pathological and prognostic features of rare BRAF mutations (MTs) in metastatic colorectal cancer (mCRC): A bi-institutional retrospective analysis (REBUS study).

3554Background: Recently, 3 classes of BRAF MTs have been described. BRAF V600 MTs, which identify mCRC with poor prognosis and not benefitting from anti-EGFR drugs, belong to class 1. Class 2 and ...