Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with prior radiographs of ___ , there has been interval placement of an ET tube , which terminates 3 .7 cm above the carina . An NG tube passes below the diaphragm and out of view . Moderate cardiomegaly and mild edema is similar to prior . Asymmetric enlargement of the right hila may represent vascular congestion due to left heart failure versus acute pulmonary embolism . There is no large pleural effusion . No new focal consolidation or pneumothorax .
    OUTPUT:
    
Unchanged moderate cardiomegaly and mild pulmonary edema . Asymmetric enlargement of the right hila may represent vascular congestion due to left heart failure , however this also can be seen with acute pulmonary embolism , which would need to be assessed with CT if clinically indicated .