Congenital abnormality characterized by the lack of full development of the ESOPHAGUS that commonly occurs with TRACHEOESOPHAGEAL FISTULA. Symptoms include excessive SALIVATION; GAGGING; CYANOSIS; and DYSPNEA.

A congenital lack of continuity of the esophagus.

condition where the upper and lower ends of the esophagus (the swallowing tube leading from the mouth to the stomach) are not connected. Often associated with tracheal defects (involving the breathing tube connecting the mouth and lungs).