Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no evidence of focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . Biapical scarring is noted . The cardiomediastinal silhouette is within normal limits . Calcifications are noted at the aortic arch . Diffuse idiopathic skeletal hyperostosis is seen within the imaged thoracic spine .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .