Objective To evaluate the diagnostic value of transrectal ultrasonography for rectal tumors.
目的探讨经直肠腔内超声对直肠肿瘤的诊断价值。
Purpose: To evaluate the value of transrectal ultrasonography in the diagnosis of distal ureteral calculi.
目的:评价经直肠超声在诊断输尿管中下段结石中的价值。
Purpose: To evaluate the value of transrectal ultrasonography in the diagnosis of distal ureteral calculi.
目的:评价经直肠超声在诊断输尿管中下段结石中的价值。
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