Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are fully expanded . Mild interstitial prominence is unchanged from ___ , and is likely due to a background of emphysema . Heart size , mediastinal contour and hila are normal . Mild bibasilar linear atelectasis , right greater than left , is seen . The pleural surfaces are normal without pleural effusion or pneumothorax . Old healed rib fracture is again noted along the lateral right seventh rib . Atherscerotic calcification of the aortic arch is seen .
    OUTPUT:
    
No acute cardiopulmonary process . Specifically , no evidence of pneumonia .