Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to ___ , mild - to - moderate pulmonary edema has slightly improved becoming more dependent ; however , there has been substantial increase in the left pleural effusion with associated volume loss of most of the left lung . Persistent small right pleural effusion and basal atelectasis is unchanged . There is no pneumothorax . Spinal stimulator electrodes project over the thoracic spine .
    OUTPUT:
    
Substantial increase in size of large left pleural effusion with volume loss of most of the left lung . Minimal improvement in pulmonary edema with persistent small right effusion and atelectasis . Results were discussed over the telephone with Dr . ___ by ___ at 9 :48 AM ___ at time of initial review .