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[Gastric cancer 556 - false negative biopsy]

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Stomach, subtotal gastrectomy:
. Early gastric carcinoma
1. Location : lower third, Center at antrum and greater curvature
2. Gross type : EGC type IIa
3. Histologic type : tubular adenocarcinoma, poorly (poorly cohesive) differentiated
4. Histologic type by Lauren : diffuse
5. Size : 2.6x2 cm
6. Depth of invasion : invades submucosa (sm3) (pT1b)
7. Resection margin: free from carcinoma, safety margin: proximal 10.3 cm, distal 3.2 cm
8. Lymph node metastasis : no metastasis in 21 regional lymph nodes (pN0)
9. Lymphatic invasion : not identified
10. Venous invasion : not identified
11. Perineural invasion : not identified
12. AJCC stage by 7th edition: pT1b N0

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