Assertion: congenital atresia | /r/HasProperty | common congenital anomaly
Facets:
value: fairly
type: DEGREE
Source sentences:
text: Congenital Esophageal Atresia (EA) or Tracheoesophageal Fistula (TEF, or TOF in the United Kingdom) is a fairly common congenital anomaly (or birth defect) that usually involves the esophagus (or feeding tube), and the trachea (or windpipe).