Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left - sided pacer and dual leads are in unchanged position . The patient is status post median sternotomy . Moderate central pulmonary vascular congestion is similar in appearance to the prior examination . Subtle bibasilar opacities likely represent atelectasis . There is no evidence of pleural effusion or pneumothorax . The cardiac silhouette is moderately enlarged but is stable in size from the prior examination .
    OUTPUT:
    
Cardiomegaly and moderate pulmonary vascular engorgement is stable most recent prior examination . Subtle bibasilar opacities could represent atelectasis . Consider PA / lateral CXR for more complete assessment if clinical suspicion for infection persists .