Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size and mediastinal contours are within normal limits . Lungs are hyperinflated . There is no focal consolidation or pleural effusion . There is no pneumothorax . Contour deformity of the sternum is new and represents a subacute fracture .
    OUTPUT:
    
New contour deformity of the body of the sternum is consistent with a subacute fracture