Multiomic analysis of treatment-naïve NSCLC before the era of neoadjuvant immunotherapy reveals contrasting immune phenotypes in stage IIIA: node-dominant (T1N2) exhibiting hot versus tumor-dominant (T4N0) cold features
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Background: Non-small cell lung cancer (NSCLC) exhibits substantial heterogeneity in its tumor immune microenvironment, which critically influences therapeutic outcomes. Recently, immune checkpoint inhibitors (ICIs) have been inc... ...