方法：经病理和临床诊断为胰腺癌和胆管癌2 7例患者在内镜逆行胰胆管造影术（ERCP）检查同时行胰胆管内超声检查。
Methods:IDUS was carried out in 27 patients with pancreatic cancer and bile duct cancer manifested clinically and pathologically during endoscopic retrograde cholangiopancreatography (ERCP).
方法：经病理和临床诊断为胰腺癌和胆管癌2 7例患者在内镜逆行胰胆管造影术（ERCP）检查同时行胰胆管内超声检查。
Methods:IDUS was carried out in 27 patients with pancreatic cancer and bile duct cancer manifested clinically and pathologically during endoscopic retrograde cholangiopancreatography (ERCP).
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