Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Tortuous aorta with calcifications are unchanged . There is mild central pulmonary vascular congestion without frank interstitial edema . Lungs are clear . Pleural surfaces are clear without effusion or pneumothorax . Thyroidectomy and probable cholecystectomy clips are again noted . Old healed posterior right rib fractures are noted .
    OUTPUT:
    
Central pulmonary vascular congestion without frank interstitial edema . No evidence of pneumonia .