Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is a large left pleural effusion with overlying atelectasis . The left aspect of the cardiac silhouette is not well assessed due to the left - sided pleural effusion and atelectasis , opacity . Known cavitary mass in the left lung apex , better assessed on CT . The right lung is clear . There is no right pleural effusion . No pneumothorax is seen .
    OUTPUT:
    
1 . Clear right lung without focal consolidation or pleural effusion . 2 . Large left pleural effusion with overlying atelectasis . Left apical cavitary lesion , better assessed on CT .