The results indicated that expression of GMFG was lower in bladder urothelial carcinoma, breast cancer, colon adenocarcinoma, kidney chromophobe, lung adenocarcinoma, lung squamous cell carcinoma, liver hepatocellular carcinoma, pancreatic adenocarcinoma, rectum adenocarcinoma and uterine corpus endometrial carcinoma than in normal tissues. Here, GMFG is linked to breast cancer.