Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates low lung volumes results in bronchovascular crowding . Engorged pulmonary vasculature and increase interstitial markings is suggestive of mild pulmonary edema . Cardiomediastinal and hilar contours are unchanged . No pneumothorax or pleural effusion .
    OUTPUT:
    
Mild pulmonary edema .