Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Prominent costochondral calcifications are seen bilaterally . The lungs are hyperinflated , consistent with chronic obstructive pulmonary disease . There is slight increase in opacity in the bilateral suprahilar regions , infectious process is not excluded . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Hyperinflated lungs consistent with COPD . Subtle reticular increase in opacity in the bilateral suprahilar regions could be due to underlying infection .