PIK3C3 and hepatocellular carcinoma: In the TCGA analysis of the UALCAN database (http://uacan.path.uab.edu/ (accessed on 8 July 2021)) [123], high expression of PIK3C3 RNA was correlated with poor patient survival for breast carcinoma, gastric carcinoma, HCC, mesothelioma, and low-grade glioma but associated with improved survival for renal clear cell carcinoma (Table 2).