title: CEA as an early indicator for second-look procedure in colorectal carcinoma.
mesh_terms: D000230:Adenocarcinoma / Q000175:diagnosis; D000368:Aged; D002272:Carcinoembryonic Antigen / Q000032:analysis*; D002277:Carcinoma / Q000175:diagnosis; D003082:Colectomy; D003110:Colonic Neoplasms / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis; D009364:Neoplasm Recurrence, Local / Q000175:diagnosis*; D011183:Postoperative Complications / Q000175:diagnosis*; D012004:Rectal Neoplasms / Q000601:surgery*
chemical_list: D002272:Carcinoembryonic Antigen