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[Gastric cancer 492]

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Stomach, endoscopic submucosal dissection:
Early gastric carcinoma
1. Location : antrum, lesser curvature
2. Gross type : EGC type IIb+IIa
3. Histologic type : tubular adenocarcinoma, poorly differentiated (70%) >> moderately differentiated (30%)
4. Histologic type by Lauren : mixed
5. Size of carcinoma : (1) longest diameter, 50 mm (2) vertical diameter, 35 mm
6. Depth of invasion : invades mucosa (lamina propria) (pT1a)
7. Resection margin : free from carcinoma(N), safety margin : distal 8 mm, proximal 1 mm, anterior 6 mm, posterior 16 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: present

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