Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear of airspace or interstitial opacity . The cardiomediastinal silhouette is unremarkable . No pleural effusions or pneumothorax . Healing mild deformity of the body of the sternum with callus formation in keeping with recent fracture . No mediastinal hematoma or significant depression of the sternum .
    OUTPUT:
    
Healing deformity of the mid body of the sternum . No significant depression .