Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a new left pleural pigtail catheter present with a significant decrease in amount of left pleural fluid , now barely perceptible with only a small amount of pleural fluid noted laterally . Mild atelectasis in the left lower lung zone . No pneumothorax is identified however there is a prominent skin fold which projects over the left lung apex and extends beyond the thoracic cage . There is a trace right pleural effusion with overlying atelectasis . Unchanged pulmonary vascular congestion . The size of the cardiac silhouette is enlarged . Degenerative changes around both shoulders .
    OUTPUT:
    
Interval placement of a left pigtail catheter with significant decrease in the left pleural effusion with only a small amount fluid seen along the left lateral pleural space . No pneumothorax is identified . Trace right pleural effusion with subjacent atelectasis .