519POutcomes in patients receiving maintenance therapy in two panitumumab (Pmab) first-line trials for metastatic colorectal cancer (mCRC). (18th September 2017) - Rivera Herrero, F.; Bachet, J-B.; Modest, D.P.; de Braud, F.; Pietrantonio, F.; Koukakis, R.; Demonty, G.; Douillard, J-Y.