CRC	Colorectal cancer
TCGA	The Cancer Genome Atlas
VIM	Variable importance measures
AUC	Area under the receiver operating characteristic curve
RF	Random forest
AUCRF	The area under the receiver operating characteristic curve of the random forest
GTEx	Genotype-Tissue Expression
PCA	Principal component analysis
CHAT	Cancer Hallmarks Analytics Tool
KEGG	Kyoto Encyclopedia of Genes and Genomes
GEO	Gene Expression Omnibus