Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again noted are multiple median sternotomy wires . The cardiomediastinal silhouettes are stable , within normal limits . The bilateral hila are unremarkable . There is evidence of pulmonary vascular congestion and moderate to severe interstitial pulmonary edema . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
Moderate to severe pulmonary interstitial edema .