Esophagus Adenocarcinoma, also known as adenocarcinoma of esophagus, is related to peptic esophagitis and gastroesophageal junction adenocarcinoma. An important gene associated with Esophagus Adenocarcinoma is HNF1A-AS1 (HNF1A Antisense RNA 1), and among its related pathways/superpathways are Cell differentiation - expanded index and Head and neck squamous cell carcinoma. The drugs Irinotecan and topoisomerase I inhibitors have been mentioned in the context of this disorder. Affiliated tissues include lymph node and liver, and related phenotypes are gastroesophageal reflux and feeding difficulties in infancy