Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the ___ examination , there has been slight interval worsening of the left upper zone opacity , reflecting worsening edema , atelectasis or consolidation . There is continued underinflation of the lungs , central pulmonary vascular congestion , and moderate edema . A left pleural effusion is unchanged . There is no pneumothorax .
    OUTPUT:
    
Slightly worsened moderate pulmonary edema , particularly in the left upper zone . Superimposed worsening atelectasis or underlying consolidation can not be excluded . The initial findings were discussed by Dr . ___ with Dr . ___ ___ telephone at 11 :38 AM on ___ .