title: Radiology corner. Answer to last month's radiology case and image: hydropneumothorax.
authors: Uniformed Services University, School of Medicine, 4301 Jones Bridge Road, Bethesda, Maryland 20814, USA.
authors: Aaron
authors: A
authors: Reed
authors: Michael
authors: M
authors: Dent
authors: Steve
authors: S
authors: Lewis
authors: Paul
authors: P
authors: Shogan
authors: Les
authors: L
authors: Folio
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D006801:Humans; D006872:Hydropneumothorax / Q000000981:diagnostic imaging*; D008297:Male; D010996:Pleural Effusion / Q000000981:diagnostic imaging; D013902:Radiography, Thoracic; D012307:Risk Factors