Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . The lung fields are clear . There is no pneumothorax , fracture or dislocation . Limited assessment of the abdomen is unremarkable . An azygous fissure is noted . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic abnormality . No signs of free intraperitoneal air .