Figure 4. Correlation analysis between NRP1/TMPRSS2 expression and tumor immune infiltration. (A, B) Correlation analysis between NRP1 expression and tumor immune infiltration in LUSC (n=501) and LUAD (n=515). (C, D) Correlation analysis between TMPRESS2 expression and tumor immune infiltration in LUSC and LUAD. None purity-adjusted for all the panels.