Additional immunohistochemical analyses of liver and gastric tumor. The liver tumor was immunohistochemically positive for vimentin (A). The gastric tumor was negative for SMA (B), desmin (C) and h-caldesmon (D), and positive for AE1/AE3 (E) and CAM5.2 (F). The blood vessel wall and fibrous tissue were positive for SMA (B), desmin (C) and h-caldesmon (D). A, vimentin; B, SMA; C, desmin; D, h-caldesmon; E, AE1/AE3; and F, CAM5.2.