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Report Produced: 05/02/2026 11:16 AM

Report Question ID Question
20031156 Histology (Pre-2007)--Ovary: Should the histology "endometroid adenocarcinoma arising in a serous fibroadenoma" be coded to 8380 [Endometroid adenocarcinoma, NOS] or 9014 [Malignant serous fibroadenoma]?
20031150 Histology (Pre-2007)--Breast: Should the histology "non-invasive papillary carcinoma" along with the comment "solid intraductal papillary proliferation includes cytologically atypical cells with scattered mitotic figures" be coded to 8503/2 [intraductal papillary carcinoma] or 8050/2 [papillary carcinoma in situ]?
20041063 Primary Site/Histology (Pre-2007)--Mediastinum: How do we code these fields for a case described as a "neuroendocrine carcinoma" of the "anterior mediastinum" without failing the SEER "impossible" site/histology combination edit? See Discussion.
20031102

Histology (Pre-2007)--Lung: Should the histology "Polymorphic Adenocarcinoma" be coded to 8022/33 [Polymorphic Carcinoma] or 8140/33 [Adenocarcinoma, NOS]?

20051056 Histology (Pre-2007)--Sarcoma: How is "acral myxoinflammatory fibroblastic sarcoma" coded?
20041072 Histology (Pre-2007)--Colon: Must a case be specifically labeled "familial adenomatous polyposis" or is the mere presence of numerous/multiple polyps sufficient for coding the histology to FAP?
20061020 Multiple Primaries (Pre-2007)/Histology (Pre-2007)--Breast: For cases diagnosed in 2005, if a specimen contains an invasive 4.5 cm lobular carcinoma of the right breast and also has a tiny focus of intraepidermal tumors cells [Paget disease of nipple], how many cases should be abstracted and how should the histology field(s) be coded?
20021175 Histology (Pre-2007): What code is used to represent the histology if the final diagnosis between an electron microscopy report and the immunocytochemistry (ICC) differs and both histologies are specific (e.g., one report states papillary carcinoma and the other states squamous cell carcinoma)?
20061002 Multiple Primaries (Pre-2007): How many primaries? See Discussion.
20061006 Multiple Primaries (Pre-2007)/Histology (Pre-2007)--Testis: If an orchiectomy specimen contains non-seminomatous mixed germ cell tumor and a separate satellite of seminoma, how many tumors should be abstracted and how should the histology field(s) be coded?