DLGAP5 and ovarian serous cystadenocarcinoma: While DLGAP5 expression showed less consistent relationship with MSI among different tumors, as negative in DLBC (Additional file 8: Figure S8, P < 0.05), but positive in OV (Ovarian serous cystadenocarcinoma), PRAD, SARC (Sarcoma), BRCA, COAD, STAD, READ, KICH (all P < 0.05).