Mesorectum localization as a special kind of rectal metastasis from breast cancer

Figure 1 Contrast enhanced computed tomography showing a pelvic soft-tissue lesion which had heterogeneous density in the venous and delay phases, respectively.

Figure 2 Mesorectum and portion of the rectum. A: Microscopically, the tumor consisted of single-file stands of infiltrating tumor cells with the presence of signet-ring cells (hematoxylin-eosin staining, magnification × 400). Immunohistochemical staining of tumor cells; B: Positive for estrogen receptor protein; C: Strongly positive for CA-125; D: Strongly positive for CK7.