Mark Socinski, MD; Helena A. Yu, MD; Zosia Piotrowska, MD, MHS; Julia Rotow, MD; and Benjamin Levy, MD, provide a concise overview of current first-line treatment options for non-small cell lung cancer (NSCLC), including their approaches for NSCLC with non-actionable mutations and the influence of PD-L1 tumor proportion score status on treatment choices.