577 The variation of T-cell receptors (TCR) diversity and genomic human leukocyte antigen (HLA-I) among non-small cell lung cancer (NSCLC) patients expressing high PDL-1 (≥50%) versus those with low or no PDL1 (

Abstract

BackgroundNSCLC patients with PDL1≥50% are more likely to respond to single agent anti-PD1 comparing to those who are expressing PDL1 in less than 50% of their cancer cells. This suggest...