title: Carbohydrate antigen (CA 19-9)--a valuable tumor marker of pancreatic cancer.
mesh_terms: D000328:Adult; D000951:Antigens, Neoplasm / Q000032:analysis*; D015295:Antigens, Tumor-Associated, Carbohydrate; D005260:Female; D005770:Gastrointestinal Neoplasms / Q000276:immunology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010190:Pancreatic Neoplasms / Q000175:diagnosis / Q000276:immunology*; D010195:Pancreatitis / Q000276:immunology
chemical_list: D000951:Antigens, Neoplasm; D015295:Antigens, Tumor-Associated, Carbohydrate