Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The inspiratory lung volumes are appropriate . The lungs are clear without focal consolidation concerning for pneumonia , pleural effusion or pneumothorax . The pulmonary vasculature is not engorged . The cardiac silhouette is enlarged but stable . The thoracic aorta is tortuous with unchanged mediastinal and hilar contours from the prior study .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .