The tumors are usually hemorrhagic and soft and microscopically marked by pleomorphism, abundant ( 15 30 per 10 high power fields ) abnormal mitotic figures, and coagulative tumor cell necrosis.
2.
Other pathological findings may include enlarged mesenteric lymph nodes, hypercellularity of lamina propria with " foamy macrophages ", and a concurrent decreased number of lymphocytes and plasma cells, per high power field view of the biopsy.
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