Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a slightly tortuous thoracic aorta . The cardiac silhouette is within normal limits . The bilateral hila are normal . There is an elevated right hemidiaphragm , with slight interval increase in comparison to scout view from ___ CT , likely secondary to hepatomegaly . There are no focal lung consolidations . There is no pulmonary vascular congestion . There are no pneumothoraces or effusions .
    OUTPUT:
    
Slight interval increase in moderate elevation of right diaphragm in comparison to prior CT , likely secondary to hepatic enlargement .