题目内容 (请给出正确答案)
提问人:网友f******g 发布时间:2023年1月27日 16:53
[单选题]

胰腺癌的放疗中,由于周围有许多放射敏感的脏器,靶区体积一般限制在_____cm3以内( )

A.800 B.1000 C.3000 D.2500 E.1800

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