目的探讨内镜超声检查(EUS)对胆总管结石的诊断价值。

Objective to study on the effectiveness of endoscopic ultrasonography (EUS) in diagnosing common bile duct (CBD) stones.

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目的探讨内镜超声检查术对胰腺癌t NM分期的评价能力。

Objective To investigate the value of endoscopic ultrasonography (EUS) in detecting the TNM stage of pancreatic carcinoma.

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目的探讨内镜超声检查（EUS）对大肠隆起性病变的诊断价值。

Objective To evaluate the value of endoscopic ultrasonography (EUS) in the diagnosis of colorectal eminence lesions.

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