Unveiling integrin beta-6 prevalence in NSCLC with real-world dataRWD analysis shows high IB6 expression in nonsquamous mNSCLCINDICATIONLungBIOMARKERIB6Related casesIL33 expression as a predictor of immunotherapy response in NSCLCImpact of B cell and CD8 T cell infiltration on immunotherapy outcomes in NSCLCImpact of VEGF expression on pembrolizumab outcomes in mNSCLC