Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mild to moderately enlarged . The aorta is tortuous . The vascular pedicle appears widened . There is a mild interstitial abnormality suggesting slight pulmonary vascular congestion . There is no pleural effusion or pneumothorax . Mild degenerative changes are present along the thoracic spine .
    OUTPUT:
    
Findings suggesting mild vascular congestion .