Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Asymmetric fullness of the right hilum is accompanied by a nonspecific right lower lobe opacity projecting over the lower thoracic spine on the lateral radiograph . Lungs are otherwise clear , and there are no pleural effusions . Cardiomediastinal contours are normal .
    OUTPUT:
    
Asymmetrical enlargement of right hilum accompanied by a cyst is is the wall it is is is as as any acute is a the all cysts is a is nonspecific right lower lobe opacity . In the absence of infectious symptoms , neoplasm should be considered .