Immune cell infiltration analysis. (A) The correlation of IRGPI with immune cell infiltration. The blue and red violin represented the low- and high-risk group, respectively, and the white points in the violin indicated median values. The relationships between OS and naive B cells (B), plasma cells (C), regulatory T cells (D), and activated mast cells (E). (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)