The expression of P63 in breast invasive ductal carcinoma was weak and 8 cases (8.3%) showed rare neoplatic cells positive staining.

• P63在乳腺浸润性导管癌中有8例(8.；3%25)呈现少量的肿瘤细胞阳性，并且主要表达于低分化的乳腺癌中。