Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal contours within normal limits . Stable elevation of the right hemidiaphragm again noted . There is no free air or pneumothorax . Mild right basal atelectasis , otherwise clear lungs . There is no free air below the right hemidiaphragm . There is no fracture or dislocation .
    OUTPUT:
    
Stable right hemidiaphragmatic elevation without evidence of pneumonia or free air .