Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post aortic valve replacement surgery . The heart is mildly enlarged . There is no pleural effusion or pneumothorax . The lungs appear clear . Mild - to - moderate degenerative changes are noted along the mid - to - lower thoracic spine . Suture anchors are present in the left humeral head , partly visualized and presumably associated with prior rotator cuff repair . These are not dedicated rib films , but there is no evidence for a displaced rib fracture . Mild rightward convex curvature is centered along the lower thoracic spine .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease or rib fracture .