Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . The aorta remains mildly tortuous . Mediastinal and hilar contours are similar . Pulmonary vasculature is not engorged . Two masses in the right lung , one within the right middle lobe , and a second within the right lower lobe appear grossly unchanged compared to the previous examinations . Severe emphysema seen in the left upper lobe unchanged . Subsegmental atelectasis is noted in the left lung base . No new focal consolidation , pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Re - demonstration of two right lung masses , grossly unchanged from the previous CT . Left upper lobe severe emphysema . No new focal consolidation to indicate pneumonia .