[Pulmonary sequestration].

Pulmonary sequestration was observed in 7 patients at the age of from 14 to 46 years. Diagnosis can be suspected in frequently repeated pneumonia without pronounced purulent intoxication and cough with expectoration, which are supposed in patients according to the findings of roentgenologic study. Aberrant vessels deviated from intercostal arteries of the thoracic and abdominal aorta.