Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly is re- demonstrated . Mediastinal and hilar contours are grossly unremarkable allowing for patient rotation . There has been interval improvement in degree of pulmonary edema , now with only mild pulmonary vascular congestion noted . Lungs remain hyperinflated . No focal consolidation , pleural effusion or pneumothorax is present . There is minimal degenerative change within the thoracic spine .
    OUTPUT:
    
Improvement in pulmonary edema compared to the prior study with only mild pulmonary vascular congestion on the current exam .