Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear of focal opacities concerning for an infectious process . There is hyperexpansion of the lungs consistent with chronic obstructive pulmonary disease . Cardiac silhouette is mildy enlarged . Hilar contours appear grossly unremarkable . Osteopenia of the bones is noted , but no obvious fractures .
    OUTPUT:
    
Hyperinflated lungs , mild cardiomegaly , without acute cardiopulmonary process .