Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without a consolidation or edema . There is no pleural effusion or pneumothorax . The mediastinal contours are normal . The heart size is at the upper limits of normal . Degenerative changes , and probable DISH , is identified in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary process .