<unk>  is a serious pathological event which occurs in neonatal medicine. It leads to pulmonary hypertension and acute respiratory distress syndrome. Histologically the lungs classically exhibit "synchronous" hypermaturity". It is thought that this condition is a lot less rare than previously thought due to under recognition.
Pulmonary hyperplasia
Alveolar capillary dysplasia
Airway obstruction
Thymus hyperplasia
Hepatization of lungs
Tracheobronchomegaly
Air trapping
Pulmonary interstitial emphysema