The results revealed mostly positive correlations among the expressions of HSP families in different cancers (Figure 3A), such as HSPA2-HSPA7 (r = 0.4, p < 0.001) and HSPA1A-HSPA7 (r = 0.397, p < 0.001) in colon adenocarcinoma. This evidence concerns the gene HSPA2 and cancer.