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 . The ascending aorta is prominent . Aortic arch calcifications are seen . The left pulmonary artery is enlarged . The heart size is normal . No pulmonary edema . Prominent interstitial markings are unchanged .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .