Breast tumor tissue microarray (slide 19 of 2600 cases of breast cancer survey slide set), 2 cores per case. Including pathology grade, TNM, clinical stage and IHC markers (ER, PR, Her-2) results, - 69 cases of Invasive carcinoma - 13 cases of medullary carcinoma - 2 cases of adenocarcinoma and mucinous carcinoma - 3 cases of invasive papillary carcinoma - 3 cases of invasive cribriform carcinoma - 5 cases of invasive lobular carcinoma - 1 case of signet ring cell carcinoma - 1 case of adenoid cystic carcinoma - 1 case of carcinoid - 1 case of tubular carcinoma - 1 case of neuroendocrine carcinoma - 1 case of metaplastic carcinoma - 1 case of Paget's disease.