Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is the peripheral right upper lung mass as well as large right lower lung opacity . The right lower lung opacity appears to demonstrate a loculated with an air fluid level , consistent with the prior CT . There has been interval resolution of the subcutaneous emphysema . The hilar and mediastinal contours are otherwise normal . The heart size is normal . There is no pleural effusion or pneumothorax . Again seen are pathologic rib fractures on the right , better assessed on the prior CT from ___ .
    OUTPUT:
    
1 . The right lower lung opacity has changed in morphology , now demonstrating a loculated cavity with an air - fluid level . 2 . There has been interval resolution of the subcutaneous gas . 3 . The pathologic rib fractures seen on the prior CT are difficult to appreciate and compare on this exam . 4 . The right upper lung mass is also better characterized on the prior CT , although it is slightly more apparent on this exam compared to the radiograph from ___ .