Poster Session (Saturday 28 January 2017): Outcome Research: POSTER1330 - Comparative efficacy and safety of nivolumab (nivo) vs relevant treatments (txs) in pretreated non-squamous (NSQ) advanced non-small cell lung cancer (aNSCLC): Results from a systematic literature review (SLR) and indirect treatment comparisons (ITCs) of randomized controlled trials (RCTs)