a review of the roentgenograms and clinical records of 33 children with primary congenital underdevelopment of one lung showed that 9 patients had simple pulmonary hypoplasia , 8 had anomalous venous return to the right atrium or the inferior vena cava ( scimitar syndrome ) , 7 had an absence of the ipsilateral pulmonary artery , 7 had an accessory diaphragm , and 2 had a pulmonary sequestration adjacent to a small diaphragmatic hernia .
C0024109
lung
C0006288
pulmonary