Metastatic NSCLC Updates: Role of CTLA-4 inhibitors?

We review the 5-year update of CheckMate 227 and the POSEIDON to generate the hypothesis that CLTA-4 inhibition has a role in PD-L1 negative metastatic NSCLC. CM 227 update: https://pubmed.ncbi.nlm.nih.gov/?term=36223558 POSEIDON: https://pubmed.ncbi.nlm.nih.gov/?term=36327426 Editorial: https://pubmed.ncbi.nlm.nih.gov/?term=36331243