Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation , effusion , or pneumothorax . There is mild pulmonary vascular congestion and trace interstitial edema . Cardiomegaly is moderate . Elevation of the right hemidiaphragm anteriorly is severe and chronic . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen . Sternal wires , valve replacement , left chest cardiac device with 2 leads , and mitral annular calcifications appear similar compared to prior .
    OUTPUT:
    
Mild pulmonary vascular congestion and trace interstitial edema .