Specimen and pathology. (A,B) show the whole mass and cross section of the mass. (C) shows the pathologic image of the mass and pathologic findings are as follows: CgA(+), Melan-A(−), S-100(+), Syn(+), Vimentin(+), p53(−), AE1/AE3(−), Calretinin(−), ɑ-inhibin(−), Ki-67(index<1).