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Case Reports
. 2021 Mar 11;9(4):1896-1898.
doi: 10.1002/ccr3.3821. eCollection 2021 Apr.

Multiple small bowel metastasis of primary non-small cell lung cancer

Do Kyun Kang  1 , Min Kyun Kang  1 , Woon Heo  1 , Youn-Ho Hwang  1 , Kyung Han Nam  2
Affiliations
Case Reports

Multiple small bowel metastasis of primary non-small cell lung cancer

Do Kyun Kang et al. Clin Case Rep. .

Abstract

Gastrointestinal metastasis could be considered in the differential diagnosis of melena in the patient with NSCLC history.

Keywords: NSCLC; gastrointestinal metastasis; small bowel.

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Conflict of interest statement

None declared.

Figures

FIGURE 1
FIGURE 1
EGDS showed about 2 cm sized rubbery hard tumor with ulceration on the antrum (A, black arrow) and polypoid lesions with oozing bleeding on the duodenal second portion (B, black arrow)
FIGURE 2
FIGURE 2
Gross picture of resected small intestine showing multiple polyps with erosion (A). Microscopic image of the duodenal polyp showing tumor‐forming solid and glandular pattern with marked nuclear pleomorphism similar to those of the primary lung cancer (H&E stain, ×100, B), (H&E stain, ×200, C). Tumor cells showing positivity for pan‐cytokeratin (immunohistochemistry, ×200, D)
See this image and copyright information in PMC

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