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[Gastric cancer 632 - EGC IIb with fold convergence]

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EGC IIb may have some converging folds at its periphery. In this case, loss of gastric fold at posterior wall of lower body, subtle mucosal change, and converging folds at its periphery are important clues.


Stomach, radical subtotal gastrectomy: Early gastric carcinoma
1. Location : [1] middle third, Center at low body and posterior wall
2. Gross type : EGC type IIb+IIc
3. Histologic type : tubular adenocarcinoma, poorly (poorly cohesive) differentiated
4. Histologic type by Lauren : mixed
5. Size : 4.7x3 cm
6. Depth of invasion : invades submucosa (sm2) (pT1b)
7. Resection margin: free from carcinoma, safety margin: proximal 0.8 cm, distal 7.8 cm
8. Lymph node metastasis : no metastasis in 40 regional lymph nodes (pN0) (0/40: "3", 0/13; "4", 0/5; "5", 0/1; "6", 0/5; "7", 0/3; "9", 0/0; "8a", 0/5; "11p", 0/4; "12a", 0/3; "4sb", 0/1; "1", 0/0)
9. Lymphatic invasion : not identified
10. Venous invasion : not identified
11. Perineural invasion : not identified
12. AJCC stage by 8th edition: pT1b N0

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¿À´ÃÀÇ Áõ·Ê´Â ³õÄ¡±â ½¬¿î º´º¯ÀÔ´Ï´Ù. Á¦¹ý ³Ð´õ¶óµµ flat ÇÏ¸é ¸ø º¼ ¼ö ÀÖ½À´Ï´Ù. ´Ã ÁÖÀÇÇսôÙ.

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