FAM107A and ovarian serous cystadenocarcinoma: As for MSI, we observed a negative correlation between FAM107A expression and MSI for CESC (P = 0.0058), ESCA (P = 0.0039), HNSC (P = 0.0012), LUSC (P= 0.043), OV (Ovarian serous cystadenocarcinoma) (P= 0.0041), PAAD (P=0.046), PRAD (P= 0.0014), SKCM (P= 0.0014), STAD(P= 9.8e-11) and UCS (P = 0.016) (Figure S5B).