[问答题,简答题] 卵巢恶性肿瘤的转移特点是什么?

大肠癌的癌前病变有() ["A．大肠腺瘤性息肉","B．家族性息肉病","C．溃疡性结肠炎","D．绒毛状腺瘤","E．克罗恩病"] 子宫内膜癌随访时间及内容? 大肠癌好发部位为() ["A．回盲部","B．升结肠","C．直肠","D．乙状结肠","E．降结肠"] 大肠癌的组织学分类包括() ["A．管状腺癌","B．鳞状细胞癌","C．未分化癌","D．腺鳞癌黏","E．液腺癌"] 常见外阴良性肿瘤有哪些? 卵巢恶性肿瘤的转移特点是什么?