Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mild to moderately enlarged . The superior vena cava is probably distended noting widening of the vascular pedicle . Perihilar congestion is moderate and more generally there is widespread opacification suggesting mild to moderate pulmonary edema . There is no definite pleural effusion or pneumothorax .
    OUTPUT:
    
Findings suggest pulmonary edema .