title: Ca-19-9, a new marker for gastrointestinal malignancy.
mesh_terms: D000951:Antigens, Neoplasm / Q000032:analysis*; D015295:Antigens, Tumor-Associated, Carbohydrate; D002272:Carcinoembryonic Antigen / Q000032:analysis; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis*; D006801:Humans
chemical_list: D000951:Antigens, Neoplasm; D015295:Antigens, Tumor-Associated, Carbohydrate; D002272:Carcinoembryonic Antigen