VSIR and cancer: From a pan-cancer perspective, it was found that: immune-related genes VEGFA, C10orf54, CD276, EDNRB, ARG1, HMGB1, ENTPD1, BTN3A1, TLR4, BTN3A2 were significantly positively correlated with KLF3 expression, whereas VEGFB expression was negatively correlated with KLF3 expression.