Although the RSF with log-rank-score obtains a top 20 genes/ covariates strongly relevant to CRC, these genes/ covariates are molecular subtypes, POLR3B, CLCN2, IER5, SLC9A8, MAP7D2, CABLES2, SYTL1, stages, KRAS, SLC6A4, LDLRAD3, CTSA, SCAND1, PIPOX, ARSJ, PHACTR3, SLC28A3, SGMS2, and CTSV. Here, SLC6A4 is linked to colorectal carcinoma.