Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy . Cardiac and mediastinal silhouettes are stable . No focal consolidation is seen . There is no pleural effusion or pneumothorax . There may be mild central pulmonary vascular engorgement without overt pulmonary edema .
    OUTPUT:
    
Possible mild central pulmonary vascular engorgement without overt pulmonary edema . No focal consolidation .