CEACAM5 and neoplasm: First follow-up: Whole-body CT showed no signs of recurrence or metastasis. Tumor marker levels: AFP, 3.1 ng/mL; CEA, 6.5 ng/mL; CA19-9, 18.2 U/mL; CA72-4, 7.02 U/mL. Ileostomy closure surgery performed.