title: Clinical case conferences from the University of Pennsylvania School of Medicine--a 58-year-old man with dysphagia.
authors.affiliation: Division of Gastroenterology, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA.
authors.forename: Erick P
authors.initials: EP
authors.lastname: Chan
authors.forename: David A
authors.initials: DA
authors.lastname: Katzka
mesh_terms: D003680:Deglutition Disorders / Q000209:etiology*; D004938:Esophageal Neoplasms / Q000150:complications* / Q000175:diagnosis*; D006801:Humans; D007890:Leiomyosarcoma / Q000150:complications* / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged