Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval increase in size of the left pleural effusion which is now large in extent , and appears to be partially loculated over the left apex . There is concomitant left basilar atelectasis . Patchy opacity in the right lung base also likely reflects an area of atelectasis . Evaluation of the cardiac silhouette size is difficult to assess given the presence of a pleural effusion . No vascular engorgement is present . There is no pneumothorax . No acute osseous abnormality is seen .
    OUTPUT:
    
Increased size of left pleural effusion which is now large with bibasilar atelectasis .