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[Gastric cancer 865. Focal non-atrophic area]

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65 years old female was referred due to an EGC (biopsy: moderately differentiated adenocarcinoma). It was a small non-atrophic area in the GC side of the proximal antrum. In the close-up image, it was a small flat elevated lesion with slight depression in the center.

ESD was done as usual.


ESD: Early gastric carcinoma
1. Location : antrum, greater curvature
2. Gross type : EGC type IIc
3. Histologic type : tubular adenocarcinoma, moderately differentiated
4. Histologic type by Lauren : intestinal
5. Size of carcinoma : (1) longest diameter, 7 mm (2) vertical diameter, 6 mm
6. Depth of invasion : invades mucosa (muscularis mucosa) (pT1a)
7. Resection margin : free from carcinoma(N), safety margin : distal 10 mm, proximal 8 mm, anterior 10 mm, posterior 12 mm, deep 500 §­
8. Lymphatic invasion : not identified(N)
9. Venous invasion : not identified(N)
10. Perineural invasion : not identified(N)
11. Microscopic ulcer : absent
12. Histologic heterogeneity: absent

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© ÀÏ¿ø³»½Ã°æ±³½Ç ¹Ù¸¥³»½Ã°æ¿¬±¸¼Ò ÀÌÁØÇà. EndoTODAY Endoscopy Learning Center. Lee Jun Haeng. (2020-6-14)