Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right chest tube ends in the mid lung region , and extensive subcutaneous air is seen in the lateral chest wall and cervical area . Though obscured by subcutaneous air , no pneumothorax is seen . The heart and mediastinal contours are normal , and the lungs are otherwise clear .
    OUTPUT:
    
Right chest tube ends in the mid-lung area . There is no evidence of pneumothorax though extensive subcutaneous air obscures the right hemithorax .