Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest compared to CT abdomen and pelvis performed earlier the same day . Hazy opacities identified at the lung bases , left greater than right . Superiorly , the lungs are clear . Cardiomediastinal silhouette is within normal limits . No large pleural effusion is identified . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
Bibasilar opacities , left greater than right , potentially due to atelectasis , especially given findings on recent CT scan . Subtle infection can not be completely excluded . Clinical correlation is suggested .