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乳腺的浸润性导管癌（以ＷＨＯ分类）占乳腺癌的８０％以上，其预后差别很大，而且其预后研究指标不下４０种［１］，往往以多种指标来判断预后。国内对浸润性导管癌以实质间质比例进行分型，现多数文献报道与预后无关［２］，可能因肿瘤有多种形态存在，又缺乏一个客观的评价
Invasive ductal carcinoma of the breast (classified by WHO) accounts for more than 80% of breast cancer. The prognosis is very different, and its prognostic index is no less than 40 [1]. Various indicators are often used to judge the prognosis. Domestic classification of infiltrating ductal carcinoma with parenchymal stroma ratio has been reported in most literatures [2]. It may be due to multiple forms of tumors and lack of an objective assessment.