Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The previously seen masses in the right hilum and right base are slightly larger than on the previous radiograph . The right hilar mass measures 4 .3 cm as compared to 4 .0 cm . The mass at the right base measures 7 .2 cm as compared to 7 .0 cm . A small rounded opacity superior to the larger mass also appears more well - defined with sharp borders . There are no new masses or consolidations . There is no edema , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is normal . Stable calcification of the aortic arch is noted . A compression fracture in the mid thoracic spine is unchanged .
    OUTPUT:
    
Slight enlargement of multiple pulmonary masses .