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. 2012 Mar 11;2012:947041. doi: 10.1155/2012/947041

Figure 1.

Figure 1

Histology and hormone receptor staining of a case with estrogen-receptor (ER-) positive, progesterone-receptor- (PR-) positive results in biopsy and ER-negative, PR-negative results in subsequent excision. (a) Biopsy, invasive ductal carcinoma, Nottingham Grade III, hematoxylin & eosin (400x); (b) biopsy, ER (+), Allred score 3 (400x); (c) biopsy, PR (+), Allred score 3 (400x); (d) excision, invasive ductal carcinoma, Nottingham Grade III, hematoxylin & eosin (400x); (e) excision, ER (−), Allred score 0 (400x); (f) excision, PR (−), Allred score 0 (400x).