Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube ends 2 .7 cm from the carina . There are patchy opacities at the right lung base that may represent aspiration or atelectasis . The heart size is normal . Cardiomediastinal silhouette contours are normal . No pleural effusion or pneumothorax .
    OUTPUT:
    
Patchy opacities at the right lung bases bilaterally may represent combination of aspiration or atelectasis . Recommend repeat film when possible .