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Report Produced: 06/27/2025 05:30 AM

Report Question ID Question
20230062

Update to current manual/EOD 2018/EOD Primary Tumor--Appendix:  Is it correct to code Extent of Disease (EOD) Primary Tumor as code 500 (Invasion of/through serosa (mesothelium) (visceral peritoneum)) and EOD Mets as code 30 (Intraperitoneal metastasis (peritoneal carcinomatosis) WITH or WITHOUT peritoneal mucinous deposits containing tumor cells), when the resection pathology report for a low-grade appendiceal mucinous neoplasm (LAMN) proves “Tumor Extent: Acellular mucin invades visceral peritoneum (serosa)” as well as metastatic LAMN within the right lower quadrant peritoneum?  See Discussion.