title: 73-year-old man with recent-onset dysphagia.
authors.affiliation: Resident in Internal Medicine, Mayo Graduate School of Medical Education, Rochester, MN.
authors.forename: Nabeel
authors.initials: N
authors.lastname: Azeem
authors.affiliation: Fellow in Gastroenterology, Mayo Graduate School of Medical Education, Rochester, MN.
authors.forename: Ryan J
authors.initials: RJ
authors.lastname: Law
authors.affiliation: Advisor to resident and fellow and Consultant in Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN. Electronic address: arora.amindra@mayo.edu.
authors.forename: Amindra S
authors.initials: AS
authors.lastname: Arora
mesh_terms: D000368:Aged; D003680:Deglutition Disorders / Q000175:diagnosis / Q000209:etiology*; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D009157:Myasthenia Gravis / Q000150:complications* / Q000175:diagnosis; D013960:Thyroid Function Tests