CMTM1 and hepatocellular carcinoma: Further analysis by Kaplan–Meier model showed that the survival of HCC patients in the CMTM1 negative group was significantly lower than that in the positive group, indicating that the negative expression of CMTM1 might be related to the poor prognosis of HCC patients, which was consistent with the results of previous studies on CMTM family in HCC.