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WHYXÇü ¾ÏÀÌ ³ª¿Ô½À´Ï´Ù (Kang KJ. Endoscopy 2012). Àå°æµµ »ý°¢º¸´Ù ÄǽÀ´Ï´Ù. ÀÌ Á¶Á÷ÇüÀº °æ°è¸¦ Àß ¾Ë ¼ö ¾ø´Â °ÍÀÌ Æ¯Â¡ÀÔ´Ï´Ù. ³Ð°Ô ÀÚ¸£±æ ÀßÇß´Ù°í »ý°¢ÇÕ´Ï´Ù. Àû´çÈ÷ Ä¡·áÇϸé lateral margin positive°¡ ³ª¿À±â ½±½À´Ï´Ù (Lee JH. Surg Endosc 2015). ¾Ö¸ÅÇϸé Å©°Ô Ä¡·áÇÏ´Â °ÍÀÌ »óÃ¥ÀÔ´Ï´Ù.

Early gastric carcinoma
1. Location : antrum, lesser curvature
2. Gross type : EGC type IIb+IIc
3. Histologic type : tubular adenocarcinoma, moderately differentiated (WHYX lesion)
4. Histologic type by Lauren : intestinal
5. Size of carcinoma : (1) longest diameter, 32 mm (2) vertical diameter, 19 mm
6. Depth of invasion : invades mucosa (lamina propria) (pT1a),
7. Resection margin : free from carcinoma(N) - safety margin : distal 10 mm, proximal 5 mm, anterior 14 mm, posterior 12 mm
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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