CASE 4 History: A 77-year-old man presents with dyspepsia. 1. Which of the following is the best diagnosis for the narrowing at the gastroesophageal junction? C. Stricture, probably malignant 2. What kind of diaphragmatic hernia is most associated with gastro-esophageal reflux disease (GERD)? 3. Which of the following represent risk of GERD? 4. Which of the following statements about GERD is true? A. There is almost a 2% prevalence of GERD in the population. B. Most patients with untreated chronic severe GERD will go on to develop Barrett’s metaplasia.