Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . The mediastinal and hilar contours are unchanged . There is mild pulmonary vascular congestion without focal consolidation . No pleural effusion or pneumothorax is seen . Marked degenerative changes are noted in the thoracic spine . Surgical anchors project over the right humeral head .
    OUTPUT:
    
Mild pulmonary vascular congestion .