Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are bibasilar opacities worrisome for multifocal pneumonia . Aspiration is also in the differential diagnosis , depending on the clinical scenario . The cardiac and mediastinal silhouettes are stable , as are the hila contours . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Bilateral lower lobe opacities worrisome for multifocal pneumonia . Aspiration is also in the differential diagnosis .