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Appendix
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Appendix
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- For all carcinomas (including goblet cell carcinoid tumors, but NOT well-differentiated neuroendocrine tumors) arising in the vermiform appendix and resected via appendectomy with or without hemicolectomy
Specimen and Surgical Procedure
Specimen, procedure...............................................................
Specimen integrity.................................................................. intact/fragmented
Tumor
Tumor site...................................................................................
Classify as
- proximal half of appendix (must specify whether base is involved or not)
- distal half of appendix
- diffusely involving appendix
- indeterminate
Tumor size...................................................................................
Histologic type..............................................................................
Histologic grade............................................................................
Microscopic tumor extension...........................................................
Tumor deposits.............................................................................
Lymph-vascular invasion.............................................................. present/absent
Perineural invasion.......................................................................
Final margins
Nearest margin............................................................................
Distance from specified margin to tumor.........................................
Proximal resection margin............................................................. positive/negative
Dysplasia/adenoma at margin (appendectomy specimens only). present/absent
If present, specify grade of dysplasia.................................... low grade/high grade
Distal resection margin................................................................. positive/negative Circumferential (radial or "sidewall") margin.................................... positive/negative
Mesenteric margin........................................................................ positive/negative
Other margin(s) (if applicable; please specify)................................. positive/negative
Lymph Nodes
Regional lymph nodes (involved/examined)....................................... __/__
Pathologic stage........................................................................ pT__N__M__