Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Minimal elevation of the left hemidiaphragm . Left greater than right bibasilar atelectasis . No additional focal opacities are identified . Heart size is top - normal . Cardiomediastinal and hilar silhouettes are normal . No pleural abnormalities .
    OUTPUT:
    
Left greater than right bibasilar atelectasis , less likely developing left lower lobe pneumonia . Recommend follow - up conventional radiographs when feasible .