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單項選擇題

直腸癌術后放療劑量為()

A.35Gy
B.40Gy
C.50Gy
D.60Gy
E.65Gy

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單項選擇題

胰腺癌術中放療的缺點是()

A.靶區(qū)定位不精確
B.正常組織保護不滿意
C.只能作單次照射
D.術中污染嚴重
E.術中操作困難

單項選擇題

肝海綿狀血管瘤的推薦放療劑量為()

A.30~40Gy
B.15~20Gy
C.20~30Gy
D.40~45Gy
E.45~50Gy

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