Correlations between FASN expression and immunity infiltration. (A) The top four tumors with the most significant correlation between the degree of immune infiltration and FASN expression were GBMLGG, LGG, STES, and STAD (StromalScore); (B) GBMLGG, LGG, ESCA, and STES (ImmuneScore); (C) GBMLGG, LGG, ESCA, and STES (ESTIMATEScore). (D) The correlation between FASN expression and 24 kinds of immune cell infiltration was analyzed by ImmuCellAI. (E) Sangerbox3.0 online website was used to analyze the relationship between FASN mRNA expression and M0 Macrophage, M1 Macrophage and M2 Macrophage infiltration. (F) Timer examined the correlation between FASN expression and six types of immune cell infiltration. (* p < 0.05, ** p < 0.01, *** p < 0.001.).