CRABP2 and rectum adenocarcinoma: Notably, Kaplan–Meier survival curve analysis revealed that increased CRABP2 expression was significantly predictive of poorer overall survival (OS) in non‐metastatic TCGA‐colon adenocarcinoma/rectal adenocarcinoma (COADREAD) patients (Figure S6A, Supporting Information, p = 0.048).