Final answer:
The screening was recommended to the patient because he has Barrett's esophagus, which increases the risk of developing adenocarcinoma of the esophagus.
Step-by-step explanation:
The screening for follow-up endoscopy every 2-3 years with mucosal biopsy was recommended to the patient because he has Barrett's esophagus. Barrett's esophagus is a condition where the normal tissue lining the esophagus is replaced by tissue similar to the intestinal lining. It is a premalignant condition that increases the risk of developing adenocarcinoma of the esophagus, which is a type of cancer.