Cystic Adenomatoid Malformation of Lung, Congenital

**Definition:** An abnormality in lung development that is characterized by a multicystic mass resulting from an adenomatous overgrowth of the terminal BRONCHIOLES with a consequent reduction of PULMONARY ALVEOLI. This anomaly is classified into three types by the cyst size.

**Tree numbers:** - C08.381.150 - C08.695.290 - C16.131.740.290

**Synonyms:** - Congenital Cystic Adenomatoid Malformation - Congenital Cystic Adenomatoid Malformation of Lung - Cystic Adenomatoid Malformation of Lung - Lung Malformation, Congenital Cystic Adenomatoid - Lung Malformation, Cystic Adenomatoid, Congenital