Fig. 1.

Pathological findings and images at initial treatment. a Microscopic findings of the uterus corpus. Cancer cells displayed a glandular architecture. Nuclear atypia was mild (× 100 magnification, bar equals 200 μm). b Immunohistochemistry (IHC) of estrogen receptor (ER). It is positive in cancer cells (× 100 magnification, bar equals 200 μm). c Microscopic findings of metastasis in obturator lymph node (× 100 magnification, bar equals 200 μm). d Microscopic findings of metastasis in para-aortic lymph node (× 100 magnification, bar equals 200 μm)