title: Primary bronchogenic squamous cell carcinoma presenting as an acute abdomen: report of case.
mesh_terms: D000006:Abdomen, Acute / Q000209:etiology*; D002283:Carcinoma, Bronchogenic / Q000150:complications / Q000473:pathology / Q000556:secondary*; D006801:Humans; D007414:Intestinal Neoplasms / Q000150:complications / Q000556:secondary*; D007421:Intestine, Small; D008175:Lung Neoplasms / Q000473:pathology*; D008297:Male; D008875:Middle Aged