Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are least four contiguous displaced right - sided rib fractures . There is no right pneumothorax or intrathoracic bleeding . A small left pleural effusion may be present . Bibasilar atelectasis is mild , but the upper lungs are grossly clear . The aorta is heavily calcified . The cardiomediastinal silhouette is otherwise within normal limits .
    OUTPUT:
    
Multiple displaced right rib fractures . No pneumothorax or intrathoracic bleeding .