Figure 4. RFC4 and GMPS were upregulated in most cancers, especially ESCC. (A) Pan-cancer analysis of RFC4. (B) Pan-cancer analysis of GMPS. (C) Expression of RFC4 in patients with esophageal carcinoma based on histology. (D) Expression of GMPS in patients with esophageal carcinoma based on histology. *p < 0.05, **p < 0.01, ***p < 0.001.