Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The heart is of normal size with normal cardiomediastinal contours . There is calcification of the aortic knob . The lungs are clear without focal or diffuse abnormality . No pleural effusion or pneumothorax . No acute rib fracture is present . Patient is status post lower lumbar vertebroplasty . Several wedge compression deformities of several thoracic and lumbar vertebral bodies are new or worsened since ___ . No radiopaque foreign body .
    OUTPUT:
    
Wedge compression deformities of several thoracic and lumbar vertebral bodies , new or increased since ___ . No acute rib fracture identified .