A 51-year-old man comes to the physician for a follow-up appointment. A contrast swallow is shown.
Which of the following is the most likely explanation for this patient’s findings?
A) Decreased cGMP
B) Fibrosis of the esophagus
C) Gastroesophageal reflux
D) Increased lower esophageal sphincter relaxation
E) Trypanosoma brucei
