title: Intrathoracic rib: radiographic features of two cases.
abstract: Two cases of intrathoracic rib are presented. In one of these the anomalous rib was not supernumerary, and the investing layers of pleura caused the rib to appear abnormally dense. The relevant literature is briefly reviewed.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008875:Middle Aged; D011859:Radiography; D012272:Ribs / Q000002:abnormalities* / Q000000981:diagnostic imaging