Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . The heart size is normal . The mediastinum is not widened . No pneumothorax or evidence of pneumomediastinum . No acute osseous abnormality in the thorax on this nondedicated exam . The stomach is distended with gas and ingested contents .
    OUTPUT:
    
No acute intrathoracic process .