Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . There are bibasilar opacities , more confluent at the left lateral costophrenic angle . Superiorly , the lungs are clear . The cardiomediastinal silhouette is stable .
    OUTPUT:
    
Bibasilar opacities , left greater than right , potentially atelectasis , noting that infection is also possible . Consider PA and lateral film performed in the radiology department for improved visualization .