Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac silhouette remains mildly enlarged . The patient is status post median sternotomy and cardiac valve replacement . There has been interval removal of a left - sided PICC .
    OUTPUT:
    
No acute cardiopulmonary process .