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

<div>Bone marrow biopsy specimen. (a) H-E stain. Hypercellular bone marrow. (b) H-E stain. Monotonous tumor cells invaded bone marrow space accompanied by fibrosis. (c) Immunohistochemical stain of estrogen receptor. Tumor cells were diffusely positive.</div>

Case Reports in Pathology

fig2

Figure 2

Figure 2: Occult Breast Lobular Carcinoma with Numerous Circulating Tumor Cells in Peripheral Blood 