Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A pacemaker generator overlies the left chest wall . The leads appear intact projecting over the expected location of the right atrium and right ventricle , unchanged from prior . The lungs are clear . No confluent opacity is identified . There is no pulmonary edema or large pleural effusion . Cardiomediastinal and hilar contours are within normal limits . Numerous bilateral healed rib fractures are identified and appear similar to prior . Well - corticated oval fragments seen bilaterally in the mid-lung regions likely reflect the sequelae of prior trauma . Deformity of the left acromioclavicular joint from prior trauma is unchanged from prior . There is loss of height of the T11 vertebral body , which is unchanged from prior CT . No definite acute fracture is visualized .
    OUTPUT:
    
No acute cardiopulmonary process . No definite acute fracture . Numerous healed rib fractures and left shoulder deformity from prior trauma .