1. Methods 103 cases with bladder neoplasm in trigonum vesicae or cervix vesicae were detected and were divided into stages by transrectal ultrasound and transadominal ultrasound.
   方法应用经直肠超声及经腹壁超声对103例生长于膀胱三角区及颈部的膀胱肿瘤进行对比观察并分期。

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