Additional file 2: Figure S2.

Transplanted tumors showed a proliferation of atypical spindle or polygonal shaped cells with oval nuclei and distinct nucleoli. These cells proliferated loosely as interconnected cords or networks, or compactly in a sheet-like pattern. Mitotic figures are frequently observed. There were no differences in histological findings between the treatment and control groups.

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Ohishi et al. BMC Cancer 2013 13:224   doi:10.1186/1471-2407-13-224