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Fig. 4 | Surgical Case Reports

Fig. 4

From: Ascending colon cancer with synchronous external iliac and inguinal lymph node metastases but without regional lymph node metastasis: a case report and brief literature review

Fig. 4

Histopathological examination demonstrated the tumor to be a well-differentiated adenocarcinoma (a). The enlarged external iliac and inguinal lymph nodes proved to be metastases of well-differentiated adenocarcinoma (H&E staining) (b), and by immunohistochemical examination, cytokeratin 7 was negative (c) and cytokeratin 20 (d) and CDX2 (e) were positive (these figures showed each staining of external iliac lymph node)

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