Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is of normal size with normal cardiomediastinal contours . Lung volumes are low . A right perihilar rounded opacity appears new and may represent lymphadenopathy , although an osseous lesion or a lung lesion can not be excluded . No pleural effusion or pneumothorax . Patchy demineralization of the left humerus head is compatible with metastatic disease , correlating with abnormalities seen on the prior PET - CT . The patient is status post gastric banding .
    OUTPUT:
    
1 . Right perihilar rounded opacity appears new and may represent lymphadenopathy . An osseous or lung lesion can not be excluded . Non-emergent chest CT may be obtained for further evaluation . 2 . Patchy left humerus head demineralization , compatible with metastatic disease seen on prior PET - CT .