Figure 1

p27 and cyclin E immunoexpression. A: Positive p27 expression in an infiltrating duct carcinoma, NOS, B: Positive p27 expression in an infiltrating lobular carcinoma, NOS (100×), C: Low p27 expression in a breast carcinoma metastatic to a lymph node. The lymphocytes are also strongly positive. (40×), D: Positive cyclin E expression in infiltrating duct carcinoma, NOS (100×).