Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable . There is no pleural effusion or pneumothorax . There is mild interstitial abnormality but no focal opacification . The patient is status post vertebroplasty of a lower thoracic vertebral body with moderate to severe , but unchanged , loss in height .
    OUTPUT:
    
Mild interstitial abnormality suggesting mild vascular congestion although differential considerations may include atypical pulmonary infection .