Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The inspiratory lung volumes are appropriate . No focal consolidation concerning for pneumonia , pleural effusion or pneumothorax is detected . The pulmonary vasculature is not engorged and there is no evidence of pulmonary edema . Cardiac silhouette is normal in size . The aorta is calcified and elongated , unchanged from prior examination . The mediastinal and hilar contours are within normal limits .
    OUTPUT:
    
No evidence of an acute pulmonary infiltrate .