Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable chest radiograph is provided . Compared to the prior radiograph , lung volumes are severely decreased resulting in bronchovascular crowding . There is now moderate pulmonary edema with enlarged hila and pulmonary vasculature . Opacities at the bases may be atelectasis or more confluent edema ; however , infection is also possible .
    OUTPUT:
    
Low lung volumes and new moderate pulmonary edema . These findings were discussed with Dr . ___ by Dr . ___ ___ telephone at 3 : 15 pm .