Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear unchanged . A large cavitating mass in the right upper lobe appears similar to the prior scout view . On this view , particularly well demonstrated on the lateral view , is an air - fluid level which is probably unchanged allowing for differences in orientation , although judging small differences is accordingly difficult .
    OUTPUT:
    
Within the limitations of technique , similar appearance of large cavitating lesion in the right upper lobe aside with an air - fluid level . The lesion is suspected to be malignant but the possibility of a superimposed infectious process could be considered in the appropriate clinical setting ; tuberculosis as an underlying cause could also be considered in the appropriate setting .