Fig. 6From: Extragastrointestinal stromal tumor of the inferior vena cava: a case reportGross pathology and immunohistochemical findings. A well-circumscribed and pseudo-capsulated white yellowish elastic mass (a), continued with the IVC wall, was observed to have a smooth intraluminal caval surface (b). Immunohistochemical staining demonstrated the tumor cells to be positive for CD34 (c) and c-kit (d) expression. IVC inferior vena cavaBack to article page