“Esophageal Atresia is a congenital disorder in which a baby’s esophagus does not form properly during pregnancy. Symptoms include include white, frothy bubbles in the mouth, vomiting, and coughing/choking when feeding. Treatment includes surgery”.
Yale Medicine (https://www.yalemedicine.org/conditions/tracheoesophageal-fistula-and-esophageal-atresia)