【名词&注释】
胆总管囊肿(choledochal cyst)、胆囊癌(gallbladder carcinoma)、胆囊息肉样病变(polypoid lesions of gallbladder)、慢性萎缩性胆囊炎(chronic atrophic cholecystitis)
[单选题]根据"WES"征(Wall-Echo-Shadow)可诊断
A. 胆囊癌
B. 胆囊息肉样病变
C. 慢性萎缩性胆囊炎(chronic atrophic cholecystitis),其内充满结石
D. 胆总管囊肿
E. 胆囊穿孔