Staging was performed based upon the tumour node metastasis process [18]. For statistical objective, situations have been lumped into two teams: early stage—such as stages I and II and advanced phase—such as levels III and IV. ?i?u này cho th?y nhà cái K8 b? không ít công s?c vào nghiên c?u th? hi?u c?a th? tr??ng châu Á, nh?t là th