CEACAM5 and colorectal cancer: In addition, miR-145 expression levels in colorectal cancer were associated with tumour stage, depth of invasion (pT category), lymph node status (pN category), development of distant metastases, grade of tumour differentiation, maximal tumour diameter, anatomical localization and serum carcinoembryonic antigen levels, suggesting its potential role as a prognostic marker of colorectal cancer 184.