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Initial biopsy는 signet ring cell carcinoma로 나왔습니다. 최종 결과는 mixed 였습니다. 간혹 이런 경우가 있습니다.

Stomach, subtotal gastrectomy:
. Early gastric carcinoma
1. Location : lower third, Center at antrum and anterior wall
2. Gross type : EGC type IIc
3. Histologic type : tubular adenocarcinoma, moderately differentiated
4. Histologic type by Lauren : mixed (focal signet ring cell component)
5. Size : 0.9x0.5 cm
6. Depth of invasion : invades mucosa (lamina propria) (pT1a)
7. Resection margin: free from carcinoma, safety margin: proximal 10.1 cm, distal 3.2 cm
8. Lymph node metastasis : no metastasis in 38 regional lymph nodes (pN0)
9. Lymphatic invasion : not identified
10. Venous invasion : not identified
11. Perineural invasion : not identified
12. Peritoneal cytology : negative
13. AJCC stage by 7th edition: pT1a N0

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