Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral chest radiographs were obtained . The lungs are well expanded and clear . There is no focal consolidation , effusion , or pneumothorax . The heart size is normal . There is no free air under the diaphragm . Gastric distention is better appreciated on the abdomenal radiograph .
    OUTPUT:
    
No acute cardiopulmonary process .