title: Middle lobe syndrome due to accessory cardiac bronchus.
abstract: A patient had recurrent middle lobe syndrome and was found to have a congenital accessory cardiac bronchus. Inflammation in its blind pocket was believed to be the underlying cause of recurrence.
mesh_terms: D001980:Bronchi / Q000002:abnormalities*; D001995:Bronchography; D005260:Female; D006801:Humans; D007249:Inflammation / Q000150:complications; D008168:Lung / Q000000981:diagnostic imaging; D008875:Middle Aged; D008878:Middle Lobe Syndrome / Q000000981:diagnostic imaging / Q000209:etiology*; D012008:Recurrence