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[Gastric cancer 631 - EGC size under estimation]

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In the initial endoscopy at primary clinic, the cancer size was estimated as 1 cm. During the ESD, however, I found the tumor is much bigger than that. Size measurement is one of the important aspect of endoscopic examination, especially in the era of ESD.

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Stomach, ESD: Early gastric carcinoma
1. Location : body, posterior wall
2. Gross type : EGC type IIa
3. Histologic type : tubular adenocarcinoma, moderately differentiated
4. Histologic type by Lauren : intestinal
5. Size of carcinoma : (1) longest diameter, 30 mm (2) vertical diameter, 17 mm
6. Depth of invasion : invades mucosa (muscularis mucosa) (pT1a)
7. Resection margin : free from carcinoma(N), safety margin : distal 5 mm, proximal 5 mm, anterior 10 mm, posterior 8 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



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