title: A patient with head and neck swelling.
authors.affiliation: East Sussex Healthcare Trust, Eastbourne District General Hospital, Eastbourne, UK sarahhancox@nhs.net.
authors.forename: Sarah
authors.initials: S
authors.lastname: Hancox
authors.affiliation: East Sussex Healthcare Trust, Eastbourne District General Hospital, Eastbourne, UK.
authors.forename: David
authors.initials: D
authors.lastname: Howlett
mesh_terms: D000230:Adenocarcinoma / Q000000981:diagnostic imaging*; D001401:Azygos Vein / Q000000981:diagnostic imaging*; D003251:Constriction, Pathologic; D003937:Diagnosis, Differential; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D010996:Pleural Effusion / Q000000981:diagnostic imaging*; D013479:Superior Vena Cava Syndrome / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed