AFP and neoplasm: Immunohistochemical results: CK7 foci (+), CK18 (weak + - +), CK19 (weak + - +), CK20 (−), CDX2 (weak + - +), AFP (−), Hepar1 (−), Arg-1 (−), GATA-3 (−), Vim (-), P40 a little (+), CD117 (−), CerbB2 (−), Ki-67 (+) 80%-90%, EBV in situ hybridization: tumor cells EBER (+) (Fig. 5).