. "An uncommon congenital abnormality characterized by either lethal complete absence of the lungs or varying degrees of underdevelopment of the lung parenchyma. It may be associated with other congenital abnormalities.NCI" . . . "Disease or Syndrome"^^ . . "Pulmonary AgenesisPTNCI" . "Congenital Absence of LungPTNICHD" . "C0265780"^^ . . "Pulmonary Agenesis"^^ . "C99028"^^ . "Pulmonary Agenesis"^^ . "NICHD"^^ .