title: Resection of liver metastases--when is it worthwhile?
mesh_terms: D003110:Colonic Neoplasms / Q000601:surgery*; D006801:Humans; D008113:Liver Neoplasms / Q000556:secondary* / Q000601:surgery; D011379:Prognosis; D012004:Rectal Neoplasms / Q000601:surgery*