title: Risk factors in the development of colorectal liver metastases.
mesh_terms: D003110:Colonic Neoplasms / Q000473:pathology*; D006801:Humans; D008113:Liver Neoplasms / Q000556:secondary*; D011446:Prospective Studies; D012004:Rectal Neoplasms / Q000473:pathology*; D012189:Retrospective Studies; D012306:Risk