Occult Breast Lobular Carcinoma with Numerous Circulating Tumor Cells in Peripheral Blood

Figure 6

Axillary lymph node specimen. (a) H-E stain. Low power field. Tumor cells invaded lymph node parenchyma. (b) H-E stain. High power field. Monotonous tumor cells and fibrotic area. (c) Immunohistochemical stain of estrogen receptor. Tumor cells were diffusely positive.

(a)

(b)

(c)