CMTM3 and esophageal squamous cell carcinoma: OS analysis using Kaplan–Meier curves demonstrates that CMTM3 was a protective factor in patients with BLCA, LUSC, OV, CESC, ACC, DLBC, KIRC, GBM, LGG, LIHC, MESO, PAAD, UVM, STAD, GBMLGG, LUADL, and USC, while being a risk factor in THCA, THYM, OS, and ESCC patients.