title: [Pseudopneumothorax].
authors: bill.aplin.frederiksen@rsyd.dk.
authors: Bill Aplin
authors: BA
authors: Frederiksen
authors: Christian B
authors: CB
authors: Laursen
authors: Mikkel
authors: M
authors: Brabrand
mesh_terms: D000369:Aged, 80 and over; D016477:Artifacts; D003951:Diagnostic Errors; D005260:Female; D006801:Humans; D011030:Pneumothorax / Q000000981:diagnostic imaging*; D011187:Posture; D013902:Radiography, Thoracic / Q000592:standards*