RecruitingProcedureProspective Endoscopic Follow-up of Patients With Submucosal and High Risk Mucosal Esophageal AdenocarcinomaAim of this prospective multicenter study is to evaluate the safety of an endoscopic follow-up strategy in patients treated with endoscopic resection (ER) for submucosal or high-risk mucosal esophageal adenocarcinoma (T1bN0M0 or HR T1aN0M0 EAC).