题目内容
下列胆道梗阻的征象中，属恶性征象的是：
2021-10-08
A.肝外胆管扩张，肝内胆管不扩张
B.肝内外胆管扩张，呈“软藤”状
C.扩张的胆管自上而下逐渐变细
D.肝外胆管扩张，肝内胆管轻度扩张，呈“枯枝”征
E.扩张的胆管突然中断
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