Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are heterogeneous bibasilar opacities could be due to pneumonia or aspiration . Pleural effusion on the right is small , if present . Cardiac silhouette is top - normal in size . There is no pneumothorax .
    OUTPUT:
    
Heterogeneous bibasilar opacities may represent atelectasis , however aspiration or pneumonia could be considered in the proper clinical setting .