Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy . There is central pulmonary vascular engorgement without overt pulmonary edema . No definite focal consolidation is seen . There is no pleural effusion or pneumothorax . Cardiac and mediastinal silhouettes are grossly stable with the cardiac silhouette mildly enlarged .
    OUTPUT:
    
Central pulmonary vascular engorgement without overt pulmonary edema . Mild cardiomegaly . No definite focal consolidation to suggest pneumonia .