Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior examination , there has been an increase in interstitial markings and fullness of the pulmonary and mediastinal vasculature consistent with mild pulmonary edema . No focal consolidation or pleural effusion is identified . The heart is mildly enlarged though this could be due to AP positioning . No focal consolidation is seen with normal mediastinal and hilar contours .
    OUTPUT:
    
Mild pulmonary edema .