title: Pneumothorax and deep sulcus sign.
authors.affiliation: Department of Emergency Medicine, E-Da Hospital, I-Shou University, Kaohsiung, Taiwan. email: flystar.tw@gmail.com.
authors.forename: S-Y
authors.initials: SY
authors.lastname: Liu
authors.affiliation: Department of Emergency Medicine, E-Da Hospital, I-Shou University, Kaohsiung, Taiwan. email: flystar.tw@gmail.com.
authors.forename: I-T
authors.initials: IT
authors.lastname: Tsai
authors.affiliation: Department of Emergency Medicine, E-Da Hospital, I-Shou University, Kaohsiung, Taiwan. email: flystar.tw@gmail.com.
authors.forename: P-J
authors.initials: PJ
authors.lastname: Yang
mesh_terms: D000369:Aged, 80 and over; D004322:Drainage / Q000379:methods*; D005260:Female; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging*; D009104:Multiple Trauma / Q000150:complications*; D011030:Pneumothorax / Q000175:diagnosis / Q000209:etiology / Q000503:physiopathology; D013902:Radiography, Thoracic / Q000379:methods*; D000070602:Rib Cage / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed / Q000379:methods; D016896:Treatment Outcome