pISSN 2636-0004
eISSN 2636-0012
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Fig. 4.
Metastatic squamous cell nests are found in the ampulla of Vater biopsy. Invasive tumor cells are noted in the lymphatics of mucosa (H&E, ×100).
Int J Gastrointest Interv 2021;10:81~83
https://doi.org/10.18528/ijgii200040
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