EGC. EndoTODAY 이준행

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Stomach, total gastrectomy: Early gastric carcinoma
1. Location : upper third, Center at cardia (Siewert II) and lesser curvature
2. Gross type : EGC type IIa+IIb
3. Histologic type : tubular adenocarcinoma, poorly (solid) differentiated
4. Histologic type by Lauren : mixed
5. Size : 3.5x2.8 cm
6. Depth of invasion : invades mucosa (muscularis mucosae) (pT1a)
7. Resection margin: free from carcinoma, safety margin: proximal 1 cm, distal 9.5
8. Lymph node metastasis : no metastasis in 20 regional lymph nodes (pN0) (0/20: "2", 0/3; "3", 0/5; "4", 0/8; "5", 0/0; "6", 0/0; "7", 0/0; "9", 0/1; "8a", 0/2; "11p", 0/1; "12a", 0/0; "4sb", 0/0; "1", 0/0)
9. Lymphatic invasion : not identified
10. Venous invasion : not identified
11. Perineural invasion : not identified
12. AJCC stage by 8th edition: pT1a N0