FABP5 and colon adenocarcinoma: We first compared the expression of five CRBPs—retinol‐binding protein 1 and 2 (RBP1/2), CRABP1, CRABP2, and FABP5—in normal (N) versus tumor (T) tissues in The Cancer Genome Atlas (TCGA)‐Colon Adenocarcinoma (COAD) dataset.