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Fig. 3 | World Journal of Surgical Oncology

Fig. 3

From: A rare case of rectal cancer with perianal metastasis: a case report

Fig. 3

a A resected specimen of the anal tumor. Macroscopically, the tumor grew in a capsulized cavity without invasive growth. The pathological findings of the encircled region in panel a are shown in panels b and c. b Tumor growth without invasion to the surrounding tissue is detected. The apex of the tumor is exposed at the secondary opening (× 12.5). c Atypical epithelial cells with hyperchromatic nuclei and notable nuclei proliferate in a tubular pattern. Metastatic adenocarcinoma from rectal cancer was considered (× 100)

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