title: Abdominal pain with brown urine as a diagnostic problem.
mesh_terms: D000005:Abdomen; D000230:Adenocarcinoma / Q000175:diagnosis; D003110:Colonic Neoplasms / Q000175:diagnosis; D003116:Color; D006801:Humans; D007200:Indican / Q000652:urine*; D008297:Male; D008875:Middle Aged; D010146:Pain
chemical_list: D007200:Indican