70ish y/o male, gastric lesion, excision. Tumor is locaded in the submucosa, with infiltrative growth to the subserosal layer. Cells are arranged in solid sheets. Monomorphic appearance. Let's have a closer look! Follow the thread... 🧵
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Cells with cytoplasmic clearing are noted, with focal hyaline-like stromal reaction. There is no necrosis, but occasional mitotic figures are seen.