ACACA and cancer: When we compared the relationship of ACACA positive expression and MSI in most cancers, the noted result was positively correlated with GBM, KIRC, LIHC, LUAD, LUSC, STAD, UCEC and CESC, and negatively correlated with BRCA, DLBC, HNSC and THCA (Additional file 1: Fig. S8F).