Yang et al. (2019) [70] identified a similar SLC4A4 expression association and proposed the expression of six further genes, namely, SGCG, CLDN23, CCDC78, SLC17A7, OTOP3, and SMPDL3A, as novel colon cancer prognostic biomarkers. The gene discussed is SMPDL3A; the disease is colonic neoplasm.