Objective to study the pattern of lateral lymph node metastasis for middle or lower rectal cancer and discuss its influent factor.
目的探讨中下段直肠癌侧方淋巴结转移规律及影响因素。
Objective to study the pattern of lateral lymph node metastasis for middle or lower rectal cancer and discuss its influent factor.
目的探讨中下段直肠癌侧方淋巴结转移规律及影响因素。
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