TY - GEN TI - Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 37-1971 SN - 0028-4793 PY - 1971///1013 KW - Abdomen, Acute KW - etiology KW - Abscess KW - pathology KW - Autopsy KW - Cholecystitis KW - diagnosis KW - Chronic Disease KW - Colon KW - blood supply KW - Colonic Diseases KW - Diagnosis, Differential KW - Female KW - Humans KW - Ileum KW - Infarction KW - Intestinal Diseases KW - Liver Diseases KW - Lung Diseases, Obstructive KW - Mesenteric Arteries KW - Mesenteric Vascular Occlusion KW - Middle Aged KW - Peptic Ulcer Perforation KW - Peritonitis KW - Pulmonary Emphysema KW - Pulmonary Heart Disease KW - Thrombosis N1 - Publication Type: Case Reports; Journal Article UR - https://doi.org/10.1056/NEJM197109162851209 ER -