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

Figure 7

Gastric biopsy specimen. (a) H-E stain. Low power field. Tumor cells infiltrated the lamina propria. (b) H-E stain. High power field. Monotonous round tumor cells resembling the tumor cells seen in bone marrow and axillary lymph nodes. (c) Immunohistochemical stain of estrogen receptor. Tumor cells were diffusely positive.

(a)

(b)

(c)