CPT2 and rectum adenocarcinoma: The findings demonstrated that CPT2 expression was significantly lower in cholangiocarcinoma (CHOL), colon adenocarcinoma (COAD), head-neck squamous cell carcinoma (HNSC), kidney chromophobe (KICH), kidney renal papillary cell carcinoma (KIRP), LIHC, lung squamous cell carcinoma (LUSC) and rectal adenocarcinoma (READ) (Figure 3C).