Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are low in volume with congested pulmonary vasculature and thickened septal lines which reflect mild pulmonary edema . The heart is mildly enlarged with normal cardiomediastinal silhouette . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Mild pulmonary edema . Findings were discussed with Dr . ___ by Dr . ___ at ___ on ___ by phone .