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Report Produced: 02/04/2026 20:21 PM

Report Question ID Question
20010012

Surgery of Primary Site--Breast: What code is used to represent this field for a breast primary treated with a "bilateral mastectomy"? See discussion.
20010019

Reportability--Hematopoietic, NOS: Is the term "plasma cell dyscrasia" a synonym for multiple myeloma?

20010022 Grade, Differentiation--Bladder: Some pathologists use a two component grade system for bladder carcinomas - either low grade or high grade. Should we continue to code these per SEER rules as grades 2 [low grade] and 4 [high grade]? See discussion.
20010025 Surgery of Primary Site--Prostate: What treatment code is used to represent prostate carcinoma treated with "high intensity focused ultrasound" (HIFU)?
20010026 MP/H Rules/Histology--Prostate: What code is used to represent the histology "adenocarcinoma, microacinar type"?
20010027 Histology (Pre-2007)--Prostate: What code is used to represent the histology "adenocarcinoma, cribriform type"?
20010029 Grade, Differentiation--All Sites: Can "Fuhrman nuclear grade" be coded if it is the only grade given for a kidney primary, or is breast the only site for which we can use a nuclear grade in coding the Grade, Differentiation field? See discussion.
20010033

Grade, Differentiation--Breast:

1) If Van Nuys nuclear grade 2 is the only grade given for an in situ breast primary, would it be coded as a 3-component system (e.g., 2/3 = 3)?

2) Is there a way of determining grade if only the total Van Nuys Prognostic index score is given (e.g., score 7/9)?
20010036 Histology (Pre-2007)--Breast: What code is used to represent the histology for a single lesion with "metaplastic carcinoma" and the majority of tumor has sarcomatoid appearance? Squamous cell carcinoma and high grade intraductal carcinoma are also present. Is the term "sarcomatoid" equivalent to sarcoma?
20010042 Grade, Differentiation--Bone Marrow: Can we use the AJCC Cancer Staging Manual, which lists myeloma as a B cell neoplasm under non-Hodgkin lymphomas, to code Grade, Differentiation field for myeloma to B-cell (code 6)?