Triple negative breast carcinoma and normal tissue microarray, containing 110 cases breast carcinoma with ER, PR and Her-2 all negative, 2 each of breast carcinoma with ER+, PR+ and Her-2+, (among them 95 cases invasive carcinoma of no special type, 1 each of invasive lobular carcinoma, neuroendocrine carcinoma, aggressive adenocarcinoma and mucinous adenocarcinoma, 8 medullary carcinoma, 2 each of carcinoid and micropapillary carcinoma, 5 mixed cancer), plus 4 breast tissue, single core per case