Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right pigtail catheter is in stable position along the right lung base . There is a no appreciable right pneumothorax . Hyperinflation of the lungs and relative hyperlucency of the upper lobes is compatible with COPD . No new focal consolidation , pleural effusion or overt pulmonary team is seen . The heart is normal in size .
    OUTPUT:
    
Stable position of right chest tube and no appreciable pneumothorax .