Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is right - sided pigtail chest tube in unchanged position from prior exam . A right middle lobe and right lower lobe consolidation is again seen , similar to prior and likely representing atelectasis . An area of linear opacity is seen in the left lung base , likely representing atelectasis . There is a moderate right pleural effusion , which has increased from prior exam and appears to be loculated . There may be a small left pleural effusion . There is no pneumothorax . The cardiomediastinal silhouette is unremarkable .
    OUTPUT:
    
1 . Loculated moderate right pleural effusion , increased from prior exam . 2 . Stable right middle lobe and right lower lobe opacities , likely representing atelectasis . 3 . Linear opacity in the left lung base , likely representing atelectasis , with possible small left pleural effusion .