Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube terminates 4 .6 cm above the carina . A nasogastric tube courses below the diaphragm and out of view . A poorly defined opacity in the right lung base medially may represent aspiration and / or pneumonia . . Left pleural effusion is small . Cardiac silhouette is normal size .
    OUTPUT:
    
A poorly defined opacity in the right lung base medially may represent aspiration and / or pneumonia . Pulmonary malignancy is an additional consideration .