Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . Cardiac silhouette is normal in size . A vessel on end is noted in the right lower lobe . Biapical scarring is unchanged . Mediastinal contours are within normal limits . There is no pleural effusion , pneumothorax or pulmonary edema . Surgical clips are noted within the neck , likely related to a thyroidectomy .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .