Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate to severe enlargement of the heart is present . The aorta is unfolded and demonstrates mild diffuse calcifications . The hilar contours are unremarkable . There is mild upper zone vascular redistribution without overt pulmonary edema . No focal consolidation , pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Mild chronic pulmonary vascular congestion . No pneumonia .