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对象与方法1.标本来源:标本取材于2000年1月~2004年12月云南省第一人民医院消化科内镜活检及外科手术切除的新鲜标本。其中,治疗前大肠癌组织标本105例均通过内镜取材,经病理诊断证实;全身化疗(34例)、放疗(30例)后大肠癌组织标本仍通过内镜取材;局部化疗(41例)后及同一病人远
Subjects and methods 1. Specimen Source: Specimens were obtained from fresh specimens of endometrial biopsy and surgical resection of Department of Gastroenterology of the First People’s Hospital of Yunnan Province from January 2000 to December 2004. Among them, 105 cases of pre-treatment colorectal cancer tissue specimens were obtained by endoscopy, confirmed by pathological diagnosis; after systemic chemotherapy (34 cases), radiotherapy (30 cases), colorectal cancer tissue specimens were still obtained through endoscopy; local chemotherapy (41 cases) After the same patient far