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Report Produced: 12/20/2025 02:04 AM

Report Question ID Question
20041043 First Course Cancer-Directed Treatment--Bladder: How should Mitomycin-C instillation for bladder cancer be coded?
20190107

First Course Treatment/Chemotherapy--Colon: Is maintenance therapy coded as part of the first course of treatment or as part of subsequent course of treatment?
20081008 Surgery of Primary Site--Breast: How is this field coded when a re-excision follows a prior mastectomy?
20170065

MP/H Rules/Histology--Thyroid: How should histology be coded for a single tumor with final diagnosis undifferentiated (anaplastic) carcinoma arising in association with papillary thyroid carcinoma and the Summary Cancer Data states Histologic type: Undifferentiated (anaplastic) carcinoma only? See Discussion.
20180057

Solid Tumor Rules (2018)/Histology--Bladder: Which Solid Tumor H Rule applies when the patient has a single tumor removed by transurethral resection of bladder tumor and the final diagnosis is: Carcinoma of the bladder with the following features: Histologic type: Urothelial carcinoma? See Discussion.
20091093

Race--How and when is Appendix D, Race and Nationality Descriptions from the 2000 Census and Bureau of Vital Statistics, to be used? See Discussion.
20061034 Primary Site--Unknown & ill-defined site: Is the primary site code C809 [Unknown primary site] preferred over the use of a site code for an organ system (e.g., biliary tract, NOS) or a specific primary site (e.g., colon, NOS) when these are "favored" but other potential sites "cannot be excluded"? See Discussion.
20031079 Primary Site: Should we code C80.9 [unknown primary] or code C34.9 [Lung] according to the terminology, "most likely site of origin is lung"? See Description.
20031030 Primary Site--Head & Neck: What is the primary site for a tumor location described as being in the "gingiva between teeth #s 18 and 19?
20071006 Primary Site: Is an "angiosarcoma" stated as arising in the skin of the breast and treated with a mastectomy, coded to the primary site of skin or breast?