An Uncommon Presentation of Carcinosarcoma of the Stomach and a Minimally Invasive Approach for Treatment

Figure 1

Initial endoscopic biopsy of tumor at 20x magnification. (a) Microscopic endoscopic biopsy hematoxylin and eosin stain results showed giant cells () and interspersed atypical epithelioid and spindle cells. Endoscopic biopsy stained with CD45 (b) and CD68 (c) immunohistochemistry staining in lymphocytes. CD45 was positive in background lymphocytes but negative in atypical cells, and CD68 was positive in giant cells.

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