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[Gastric cancer 698. Neuroendocrine carcinoma ]

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Subtotal gastrectomy: Neuroendocrine carcinoma (G3)
1. Name of Procedure: Radical subtotal gastrectomy
2. Site of Tumor: Stomach (distal antrum and posterior wall)
3. Diagnosis: Neuroendocrine tumor
4. WHO classification(2010): Poorly differentiated Neuroendocrine carcinoma (G3)
5. Multiplicity: Single
6. Size: 1.9x0.5 cm
7. Extent: Mucosa and submucosa
8. Grading: Mitotic Count(/10HPF): >20, Ki-67 labeling index: G3>20%
9. Immunohistochemical Stains: Synaptophysin : Positive
10. Lymphovascular invasion: Not identified
11. Perineural invasion: Not identified
12. Lymph node metastasis: 0/20: "3", 0/7; "4", 0/4; "5", 0/0; "6", 0/3; "7", 0/0; "9", 0/0; "8a", 0/5; "11p", 0/1; "12a", 0/1; "4sb", 0/0; "1", 0/6)
13. Resection Margins: Negative: Safety margin : 2 cm
14. AJCC stage by 8th edition: pT1 N0

© 일원내시경교실 바른내시경연구소 이준행. EndoTODAY Endoscopy Learning Center. Lee Jun Haeng. (2018-12-11)