Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is moderately enlarged and stable . The mediastinal and hilar contours are unremarkable . There is mild vascular engorgement without pulmonary edema . No focal consolidations , pleural effusions , or pneumothorax are seen . Thoracolumbar spinal fusion hardware seen in unchanged from ___ study .
    OUTPUT:
    
1 . Mild vascular engorgement without evidence of pulmonary edema . 2 . No evidence of pneumonia .