Figure 3
Photomicorgraphs of breast. a-b) Lobular carcinoma: small cells arranged in row and in single cells. (H&E, original magnification 20×). c) Lobular carcinoma: neoplastic cells with signet ring like appearance with univacuolated introcytoplasmatic lumina.(H&E, original magnification 40×). d) Lobular carcinoma: estrogen nuclear expression (original expression 40×).