Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is within normal limits . The mediastinal contours demonstrate a tortuous aorta . The lung architecture appears coarsened , but there is no consolidation or pulmonary edema . The hemidiaphragms are flattened , suggestive of chronic obstructive disease . There is no large pleural effusion or pneumothorax . Again clips project over the right lower chest . Incompletely healed left rib fractures are noted .
    OUTPUT:
    
Finding suggestive of chronic obstructive disease , but no acute cardiopulmonary process . Incompletely healed left rib fractures .