Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral chest radiograph demonstrates moderate cardiomegaly . Bilateral patchy opacities and central pulmonary vascular congestion is suggestive of mild pulmonary edema . There is no pleural effusion . A right central line is seen , its tip terminating in similar position in anticipated location of the right atrium . Patient is status post median sternotomy , the wires appear intact . No acute osseous abnormality is detected .
    OUTPUT:
    
Stable cardiomegaly with bilateral patchy opacities and central pulmonary vascular congestion suggestive of mild pulmonary edema .