Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are stable . Cardiac size is minimally enlarged . Pacer leads are in standard position . . The lungs are clear . There is no pneumothorax or pleural effusion . There are mild degenerative changes in the thoracic spine and minimally wedge shaped deformity in a lower thoracic vertebral body .
    OUTPUT:
    
No acute cardiopulmonary abnormalities