text: <unk>  of affected organ may be performed to detect possible accumulation of<unk> <unk> s in an involved tissue.
option_0: Mast cell tumor biopsy
option_1: Melanoma biopsy
option_2: Rhabdomyosarcoma biopsy
option_3: Ewing's sarcoma biopsy
option_4: Rhabdomyoma biopsy
option_5: Liposarcoma biopsy
option_6: Pancoast tumor CT
option_7: Mesothelioma CT