High CMTM6 expression was an unfavorable factor for patient OS in adrenocortical carcinoma (ACC) (p = 0.0023), LGG (p < 0.001), mesothelioma (MESO) (p = 0.048), and PAAD (p = 0.0036) (Figure 7). Here, CMTM6 is linked to mesothelioma.