Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded and clear . The cardiomediastinal silhouette , hilar contours , and pleural surfaces are normal . No pleural effusion or pneumothorax is present . The elevation of the left hemidiaphragm due to mildly distended loops of bowel is not significantly changed . There are no focal opacities to suggest pneumonia .
    OUTPUT:
    
Elevation of the left hemidiaphragm , unchanged from prior examination . Otherwise , unchanged radiographs of the chest . The above results were communicated via telephone by Dr . ___ to Dr . ___ at 2 :40 p .m . on ___ as requested .