题目内容
乳腺癌锁骨上野全野的定位时,下面哪项是错误的
2021-12-09
A.中心对着患者锁骨上区升床至源皮距100cm
B.在透视下将内界放在椎体边缘
C.外界避开肱骨头
D.下界放在锁骨头下缘
E.上界放在环甲膜下,机架向患侧转15°
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