Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral images of the chest . The lungs are well expanded . Mildly dilated upper lobe vessels are seen . There is no focal consolidation or mass . No pleural effusion or pneumothorax is seen . The cardiomediastinal silhouette is top normal in size .
    OUTPUT:
    
No acute cardiopulmonary process .