Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . The cardiac , mediastinal and hilar contours are unchanged with the heart size within normal limits . Pulmonary vasculature is normal and the lungs are clear . No pleural effusion or pneumothorax is seen . Previously noted free intraperitoneal air has resolved . Partially imaged is a percutaneous gastrostomy catheter in the left upper quadrant . Mild degenerative changes are noted in the thoracic spine . Remote left - sided rib fractures are seen , but no acute osseous abnormality is identified .
    OUTPUT:
    
No acute cardiopulmonary abnormality .