[名词解释] 宫颈原位癌

无性细胞瘤 外阴上皮内瘤变(Vulvar Intraepithelial Neoplasia，VIN) 梅格斯综合征 宫颈恶性腺癌 男，55岁，左下腹胀痛、并可触及包块，结合图像，应诊断为() ["A．结肠Crohn病","B．结肠癌","C．结肠腺瘤","D．肠结核","E．慢性溃疡性结肠炎"] 宫颈原位癌