[CCAM type II with no clinical symptoms before and after birth--diagnosed in the 21st week of pregnancy and child pediatric observation in the first 3 years of age--a case report].

: CCAM is rare congenital malformation of the respiratory tract. Presented case of CCAM type II was diagnosed based on the prenatal examination. In presented case without clinical signs after delivery diagnosis of CCAM type II was established based on prenatal diagnosis. This allowed after delivery to take up focused radiological diagnostics and further proper malformation monitoring.