Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated . Cardiac , mediastinal , and hilar contours are normal . No focal consolidation or pleural effusion is seen . There is no pulmonary vascular congestion . No acute osseous abnormalities noted .
    OUTPUT:
    
Hyperinflated lungs suggestive of underlying COPD . No evidence of pneumonia or congestive heart failure .