Background: Treatment for recurrent or advanced/metastatic non-small cell lung cancer (aNSCLC) has advanced in the past 5 years with immunotherapy (IO). This study sought to describe first-line (1L) aNSCLC treatment patterns and clinical outcomes. Methods: In this retrospective. multisite cohort study. https://unitedssports.shop/product-category/ball-bat-baseball-bbcor/