Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly persists . The mediastinal and hilar contours are unchanged . Mild upper zone pulmonary vascular redistribution appears chronic , without overt pulmonary edema . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . No acute osseous abnormalities demonstrated .
    OUTPUT:
    
Moderate cardiomegaly with chronic mild pulmonary vascular congestion .