Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable view of the chest demonstrates no focal consolidation to suggest pneumonia . The heart is mildly enlarged . Mediastinal and hilar contours are normal . There is no pneumothorax , pulmonary edema , or pleural effusion . The patient is status post median sternotomy .
    OUTPUT:
    
Normal chest radiograph . No evidence of pulmonary edema .