Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are stable with improvement in bilateral lower lobe opacification previously ascribed to aspiration pneumonia . There has also been interval decrease in pleural effusions ; however , a mild increase in vascular congestion is observed with stable cardiomegaly . There is no pneumothorax . There is characteristic widening of the ascending aorta consistent with severe aortic stenosis better seen on prior CT imaging .
    OUTPUT:
    
1 . Improving aspiration pneumonitis with decreasing bilateral pleural effusion . 2 . Increasing vascular congestion with stable cardiomegaly . 3 . Severe aortic stenosis as demonstrated on ___ CT .