Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . There has been no significant interval change . Again seen is mild pulmonary vascular congestion with a without frank pulmonary edema or pulmonary pleural effusion . Cardiac silhouette is moderately enlarged similar to prior . Prosthetic aortic valve and median sternotomy wires are again noted .
    OUTPUT:
    
Mild pulmonary vascular congestion without frank pulmonary edema .