A.2
B.4
C.6
D.8
[单选题]A.2B.4C.6D.8
[单选题]A.右输尿管癌并扩张B.右输尿管下段结石并扩张C.右输尿管扩张D.膀胱结石
[单选题]A.单纯性胆囊炎B.急性化脓性胆囊炎C.胆囊穿孔D.慢性胆囊炎E.胆囊癌
[单选题]A.B.C.D.