title: [Zenker diverticulum of stage IV causing dysphagia: a case report].
authors.forename: Ke-jia
authors.initials: KJ
authors.lastname: Cheng
authors.forename: Shen-qing
authors.initials: SQ
authors.lastname: Wang
authors.forename: Shan
authors.initials: S
authors.lastname: Lin
mesh_terms: D000368:Aged; D003680:Deglutition Disorders / Q000209:etiology*; D006801:Humans; D008297:Male; D016672:Zenker Diverticulum / Q000150:complications* / Q000473:pathology