Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate normal lung volumes without pleural effusion , focal consolidation or pneumothorax . Hilar and mediastinal silhouettes are unchanged . Aortic arch calcifications are again noted . There is no pulmonary edema . Heart size is normal . A single - lead pacemaker device lead is unchanged in position .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .