title: Swollen neck and crepitus after bouts of cough.
authors.affiliation: Department of otorhinolaryngology-Head & Neck Surgery, School of Medical sciences, Universiti sains Malaysia Health Campus.
authors.forename: I
authors.initials: I
authors.lastname: Mohamad
authors.affiliation: Department of otorhinolaryngology-Head & Neck Surgery, School of Medical Sciences, Universiti sains Malaysia.
authors.forename: B D
authors.initials: BD
authors.lastname: Susibalan
authors.affiliation: Speech Pathology Programme, School of Health Sciences, Universiti Sains Malaysia.
authors.forename: Nfh
authors.initials: N
authors.lastname: Nik Hassan
keywords: Mediastinal emphysema; chronic obstructive airway disease; pulmonary tuberculosis; smoking