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Background: The intestinal cancers are common in clinic, with about 80％ of them are the low－ level rectum cancer. The ordinary operation methods are: miles operation ,lower rectum and anusanastomosis operation .The patients often have obstacle in their
Background: The intestinal cancers are common in clinic, with about 80% of them are the low- level rectum cancer. The ordinary operation methods are: miles operation ,lower rectum and anusanastomosis operation .The patients often have obstacle in their