Breast disease spectrum (breast cancer progression) tissue array. Breast cancer tissue microarray, containing 32 cases of metastatic carcinoma, 68 invasive ductal carcinoma, 22 each of lobular carcinoma and intraductal carcinoma, 4 each of squamous cell carcinoma and lobular carcinoma in situ, 8 fibroadenoma, 16 each of hyperplasia and inflammation, 10 adjacent normal tissue and 6 normal tissue, single core per case. 1 Location Core.