Primary tumour factors (such as tumour site, invasiveness of the lesion and lymph node metastasis status) and preoperative factors (such as carcinoembryonic antigen (CEA) level, number of metastases and tumour size) are associated with patient outcomes after hepatic resection for CRLM11, 12, 13, 14, 15, 16. Here, CEACAM5 is linked to neoplasm.