Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided pacemaker device is noted with single lead terminating in the right ventricle , unchanged . The heart remains moderately enlarged . Dense atherosclerotic calcifications are present at the aortic knob . Mediastinal and hilar contours are unchanged . Rounded opacity within the right upper lobe appears slightly increased in size compared to the previous exam , which again remains concerning for adenocarcinoma and now measures up to 2 .4 cm . Minimal patchy opacities are noted within the lung bases . No pleural effusion or pneumothorax is identified . Multiple ___ are demonstrated within the right upper quadrant of the abdomen .
    OUTPUT:
    
Patchy bibasilar airspace opacities appear relatively unchanged , and may reflect atelectasis and / or chronic changes . Slight interval increase in size of right upper lobe rounded opacity which remains concerning for adenocarcinoma .