title: A 55-year-old woman with abdominal pain, mucous stools, shock and polycythemia vera.
mesh_terms: D003951:Diagnostic Errors; D005260:Female; D006801:Humans; D008638:Mesenteric Arteries; D008875:Middle Aged; D011087:Polycythemia Vera / Q000150:complications / Q000473:pathology*; D011169:Portal Vein; D013924:Thrombophlebitis / Q000150:complications*; D013927:Thrombosis / Q000150:complications*