Fig. 5

Histopathological findings. a There was a proliferation of tumor cells with round-to-oval nuclei and eosinophilic to clear cytoplasm arranged in small nests or a cribriform-like pattern in the gastric wall. The tumor cells were negative for PSA (a, inset), but positive for b androgen receptor, and c ERG in IHC. d Lymph nodes were metastasized by the cancer cells around the stomach. a, b, c × 40, d × 100, a inset × 400 original magnification