Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval placement of a right PICC line , the tip extending to the superior cavoatrial junction . A left apically directed chest tube is present . Persisting pneumomediastinum and subcutaneous emphysema over the left chest and over both sides of the neck . A small left pneumothorax is newly noted . Unchanged small left pleural effusion and overlying atelectasis .
    OUTPUT:
    
Small left pneumothorax as well as pneumomediastinum and subcutaneous emphysema . A left chest tube is in place . Interval placement of a right PICC line extending to the superior cavoatrial junction .