73-Year-Old Man With Recent-Onset Dysphagia

A 73-year-old man presented to his gastroenterologist for evaluation of dysphagia that had begun 6 months previously. He reported progressively worsening intermittent solid food dysphagia with difficulty initiating swallows. He denied dysphagia with ingestion of liquids, nasal regurgitation, abdominal pain, weight loss, voice changes, aspiration, or choking episodes. His medical history was notable for prostate cancer treated with radiation...