Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well inflated and clear . The cardiomediastinal silhouette and hilar contours are normal . There is no pleural effusion or pneumothorax . Patient is status post median sternotomy with surgical clips projecting over the left mediastinal region . The spleen appears mildly enlarged and measures ___ .7 cm .
    OUTPUT:
    
Clear lungs without evidence of pulmonary edema .