Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The hilar and mediastinal contours are normal . The lungs are clear without evidence of focal consolidations concerning for pneumonia . There is no chf , pleural effusion or pneumothorax . No rib fracture identified on these lung - technique films . Vertebral body heights in the thoracic spine are preserved .
    OUTPUT:
    
No acute pulmonary process identified .