Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs were obtained . The patient is status post median sternotomy with intact wires for prior aortic valve replacement . A left chest pacemaker has leads terminating in the appropriate locations in the right atrium and right ventricle . There is bilateral interstitial edema and pulmonary vascular congestion that is increased from prior study on ___ . There is chronic scarring at the left lung base . The heart is moderately enlarged , but stable in size .
    OUTPUT:
    
Interval increase in bilateral interstitial edema and pulmonary vascular congestion , likely related to further cardiac decompensation .