Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart and mediastinal contours are within normal limits . Atherosclerotic calficiations seen at the aortic arch . The lungs demonstrate coarsened architecture as well as hyperexpansion , hyperlucency compatible with COPD , but no consolidation is present . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
COPD without evidence for pneumonia . No significant interval change .