title: No gravity in this cavity.
authors.affiliation: Department of Internal Medicine, Einstein Medical Center Philadelphia, Philadelphia, Pennsylvania.
authors.forename: Yu Kuang
authors.initials: YK
authors.lastname: Lai
authors.forename: Chitra
authors.initials: C
authors.lastname: Punjabi
authors.forename: Glenn
authors.initials: G
authors.lastname: Eiger
mesh_terms: D000063:Accidents, Traffic; D000368:Aged; D003560:Cysts / Q000000981:diagnostic imaging / Q000209:etiology*; D003937:Diagnosis, Differential; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008171:Lung Diseases / Q000000981:diagnostic imaging / Q000209:etiology*; D013898:Thoracic Injuries / Q000150:complications* / Q000000981:diagnostic imaging; D014057:Tomography, X-Ray Computed
keywords: cyst; lung; pseudocyst; trauma; traumatic pneumatocele