A non-neoplastic or neoplastic disorder that affects the esophagus. Representative examples of non-neoplastic disorders include esophagitis and esophageal ulcer. Representative examples of neoplastic disorders include carcinomas, lymphomas, and melanomas. The disease is MONDO_0003749 (esophageal disorder). Also known as: disease of esophagus, disease of oesophagus, disease or disorder of esophagus, disease or disorder of oesophagus, disorder of esophagus, disorder of oesophagus, esophagus disease, esophagus disease or disorder.