Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The position of the two right chest tubes is unchanged . No pneumothorax is currently identified , though the apices are somewhat obscured . Atelectasis at the right and left base are present somewhat more marked on the left than it was on the prior chest x-ray of ___ .
    OUTPUT:
    
Chest tube unchanged . Increasing atelectasis left base .