颈部转移性恶性肿瘤80%来自()A．腹部原发肿瘤B．头颈部原发肿瘤C．盆腔原发肿瘤D．胸部原发肿瘤E．肝脏原发肿瘤

作者: rantiku 人气: - 评论: 0

问题颈部转移性恶性肿瘤80%来自()

选项 A．腹部原发肿瘤 B．头颈部原发肿瘤 C．盆腔原发肿瘤 D．胸部原发肿瘤 E．肝脏原发肿瘤

答案 B

解析

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