Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of bilateral chest tubes . A small left - sided pneumothorax is noted . The endotracheal tube , nasogastric tube , and right - sided central venous catheters are in unchanged position . The cardiomediastinal silhouette is unremarkable . There is significant improvement in pulmonary edema with near resolution of left mid lung opacity . Post chest tube placement , bilateral pleural effusions have decreased significantly in size .
    OUTPUT:
    
Small left - sided pneumothorax status post chest tube placement .