title: The role of tumor markers in the diagnosis and management of gastrointestinal cancer.
mesh_terms: D000951:Antigens, Neoplasm / Q000032:analysis*; D015295:Antigens, Tumor-Associated, Carbohydrate; D002272:Carcinoembryonic Antigen / Q000032:analysis; D005260:Female; D005770:Gastrointestinal Neoplasms / Q000276:immunology*; D006801:Humans; D011247:Pregnancy; D000509:alpha-Fetoproteins / Q000032:analysis
chemical_list: D000951:Antigens, Neoplasm; D015295:Antigens, Tumor-Associated, Carbohydrate; D002272:Carcinoembryonic Antigen; D000509:alpha-Fetoproteins; C031192:oncofetal antigens