title: Saber-sheath trachea in a patient with severe COPD.
authors.affiliation: Department of Medicine, University at Buffalo State University of New York School of Medicine and Biomedical Sciences, Buffalo, New York, USA.
authors.forename: Pichapong
authors.initials: P
authors.lastname: Tunsupon
authors.affiliation: Department of Medicine, University at Buffalo State University of New York School of Medicine and Biomedical Sciences, Buffalo, New York, USA.
authors.forename: Samjot Singh
authors.initials: SS
authors.lastname: Dhillon
authors.affiliation: Department of Medicine, University at Buffalo State University of New York School of Medicine and Biomedical Sciences, Buffalo, New York, USA.
authors.forename: Kassem
authors.initials: K
authors.lastname: Harris
authors.affiliation: Department of Medicine, University at Buffalo State University of New York School of Medicine and Biomedical Sciences, Buffalo, New York, USA.
authors.forename: Abdul Hamid
authors.initials: AH
authors.lastname: Alraiyes
mesh_terms: D000369:Aged, 80 and over; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis / Q000473:pathology*; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis / Q000473:pathology*; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000473:pathology*; D014132:Trachea / Q000473:pathology*