SEER Inquiry System - Home

Welcome to the SEER Inquiry System (SINQ). SINQ is a collection of questions that cancer registrars have had while coding cancer cases. Click Search to look for specific questions or to select questions for a Report.

Recent Questions
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MP/H Rules/Histology--Bladder: Can the histology for a high grade urothelial carcinoma described as having "extensive sarcomatoid dedifferentiation" be coded to sarcomatoid transitional cell carcinoma (8122/3)?
Example; TURBT, Final Diagnosis - Urothelial carcinoma, high grade. Type/grade comment: Extensive sarcomatoid dedifferentiation is present (40-50% of tumor volume).

Final Feb 29 2016

Multiple primaries--Heme & Lymphoid Neoplasms: Could you please clarify Note 2 found in Rule M10, which is " 'Transformations to' (acute neoplasms) and 'Transformations from' (chronic neoplasms) are defined for each applicable histology in the database." Do the neoplasms being considered have to contain the words 'chronic' and/or 'acute'?

Final Feb 26 2016

Surgery of primary site--Lung: Should microwave ablation be coded as treatment for lung cancer, and if so, how should it be coded?

Final Feb 17 2016

Reportability--Breast: Is mammary fibromatosis reportable and if so, what histology code is assigned? See discussion.

Final Feb 17 2016

Reportability--Brain and CNS:  Is a thalamic amyloidoma reportable if so what histology code is used?

Final Feb 17 2016

Reportability--Stomach: Are microcarcinoid tumors reportable? See discussion.

Final Feb 16 2016

Grade--Head & Neck: How should grade be coded for a tonsillar primary (or other solid tumor) with resection pathology final diagnosis of poorly differentiated SCC with histologic grade: G2-3 of 3. See discussion.

Final Feb 16 2016

MP/H Rules/Histology--Appendix: What is the histology for an appendix resection diagnosis of "Malignant neoplasm of the appendix with the following features: Histologic type: Adenocarcinoma ex goblet cell carcinoid with mucin production (adenocarcinoma arising from goblet cell carcinoid)"? Is this histology best coded to a mixed adenocarcinoma/carcinoid tumor (8244/3)?

Final Feb 16 2016

Reportability/Date of diagnosis--Liver: Is a statement of LI-RADS 5 or LI-RADS 4 diagnostic of HCC? See discussion.

Final Feb 16 2016

Surgery of Primary Site--Breast: If the diagnosis is a single primary involving both breasts, do we code 41 Surgery Primary site with 1 in Surgery Other site, or code 76 Surgery Primary site with 0 in Surgery Other site? See discussion.

Final Feb 05 2016
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