Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size remains moderately enlarged . The aorta demonstrates diffuse atherosclerotic calcifications . Mediastinal and hilar contours are unchanged . Mild pulmonary vascular congestion is perhaps minimally improved compared to the previous exam . No focal consolidation , pleural effusion or pneumothorax is present . Multilevel mild degenerative changes are noted throughout the thoracic spine .
    OUTPUT:
    
Mild pulmonary vascular congestion , perhaps minimally improved in the interval .