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Stomach, subtotal gastrectomy:
Early gastric carcinoma
1. Location : lower third, Center at antrum and lesser curvature
2. Gross type : EGC type IIc
3. Histologic type : tubular adenocarcinoma, moderately differentiated
4. Histologic type by Lauren : intestinal
5. Size : 2.7x1.6 cm
6. Depth of invasion : invades submucosa (sm3) (pT1b)
7. Resection margin: free from carcinoma, safety margin: proximal 8 cm, distal 2.4 cm
8. Lymph node metastasis : no metastasis in 30 regional lymph nodes (pN0)
9. Lymphatic invasion : present
10. Venous invasion : not identified
11. Perineural invasion : not identified
12. Peritoneal cytology : negative
13. AJCC stage by 7th edition: pT1b N0

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