CASE 6 History: A patient without relevant symptoms, with an incidental abnormality noted on chest x-ray, was referred for further imaging. 1. Which of the following should be included in the differential diagnosis of the imaging findings shown for this patient? (Choose all that apply.) 2. All of the following are foregut congenital cysts except: 3. What is the most common symptom of an esophageal duplication cyst?