HSPA4 and cancer: Our results highlighted marked discrepancies in HSPA4 expression amongst subtypes in cancers including KIRC (spanning 6 subtypes), ESCA (5 subtypes), COAD (5 subtypes), STAD (5 subtypes), READ (5 subtypes), LUAD (5 subtypes), and LIHC (5 subtypes) (Figure 6B).