598 Bemcentinib + pembrolizumab show promising efficacy in metastatic NSCLC harbouring mutations associated with poor prognosis: exploratory sub-analysis from the BGBC008 trial (NC... by Michael Chisamore, Noelly Madeleine, Austin Rayford, Gro Gausdal, David R Micklem, Magnus Blø, Dina Alzhanova, Josephine Amalia Taverna, Chia-Nung Hung, Rolf A Brekken, Claudia Gorcea-Carson, Cristina Oliva, Nigel McCracken