单项选择题
A.骶前淋巴结 B.髂总淋巴结 C.髂内淋巴结 D.髂外淋巴结 E.闭孔淋巴结
A.80% B.70% C.90% D.100% E.95%
A.50% B.60% C.80% D.85% E.95%