Long Term Outcome of Easophageal Atresia : Transmics Profiles in Adolescence

Inclusion Criteria: * For the oesophageal atresia group : * Born with oesophageal atresia (EA) in France or in French overseas departments and territories * Anastomosis performed * Included into the ReNaTo registry * Aged 13 or 14 during the recruitment period * Patient willing to comply with all study procedures and duration * Patient will social security For the blood sub-study : * Upper GI endoscopy performed as part of care between 13 and 14 years of age with esophageal mucosal biopsy sampling * Patient having given written consent to participate in the study For the control arm: * Upper GI endoscopy performed as part of care between 10 and 14 years of age with oesophageal mucosal biopsy sampling * Upper GI endoscopy performed as part of care for chronic or acute digestive signs to rule out organic etiology (peptic esophagitis, gastric esophagitis, eosinophilic esophagitis or ulcer) * Normal endoscopy and histology * No chronic progressive disease Exclusion Criteria: * For the oesophagal atresia arm : * Concurrent participation in an interventional trial and in the 3 months prior to inclusion * Parents refusing to participate in the study For the control arm : * Histologically non-normal esophageal biopsy * Parents refusing to participate in the study * Child with known organic pathology