The SEER Inquiry System (SINQ) is a searchable collection of questions that cancer registrars have had while coding cancer cases. These are questions submitted by designated registrars in SEER registries. The questions are answered by expert staff and go through a rigorous review process by NCI SEER staff and designated SEER registry staff before being added to SINQ.

Click Search to look for specific questions in SINQ or to select questions for a Report.

If you cannot find an answer to your question, refer to the Ask a SEER Registrar page.

Recent Questions
1 to 10 of 2193    Next 10 >    Last >>
Add to Report ID Question Status Last Updated

Reportability/Ambiguous terminology--Bone: Is a case reportable when the imaging described a left first rib mass as most compatible with a chondroid lesion such as a chondrosarcoma? See Discussion.


Final Jun 24 2020

Reportability/Histology--Fallopian tube:  Is germ cell neoplasia in situ reportable? If so, is the histology and behavior 9064/2? See Discussion.

Final Jun 24 2020

Solid Tumor Rules (2018)/Histology--Endometrium:  Is the histology for a serous carcinoma, high-grade endometrial primary 8441/3 (serous carcinoma) or 8461/3 (high grade serous carcinoma)? See Discussion.

Final May 29 2020

Solid Tumor Rules (2018)/Multiple primaries--Breast: How many primaries should be reported for a December 2013 diagnosis of lobular carcinoma in situ (8520/2) in the left breast, treated with a lumpectomy, followed by a July 2018 diagnosis of invasive ductal carcinoma (8500/3) also in the left breast? See Discussion.

Final May 27 2020

Solid Tumor Rules/Histology--Head & Neck:  What is the histology of human papillomavirus (HPV)--associated multiphenotypic carcinoma? See Discussion.

Final May 26 2020

Reportability/Brain and CNS--Pituitary: Can a clinical diagnosis of pituitary adenoma be accessioned based on imaging if treatment is not given and subsequent imaging years later shows no evidence of pituitary adenoma? See Discussion.


Final May 21 2020

Diagnostic confirmation--Heme and Lymphoid Neoplasms--Lymphoma: Is Diagnostic Confirmation "5" for Hematopoietic Neoplasms appropriate for this case? There appears to be no conclusive histologic diagnosis (Neoplasm, suggestive of lymphoma) and only the IHC/flow cytometry issued a conclusive diagnosis. See Discussion.

Final Apr 07 2020

Reportability: Is ASIN-H (high-grade anal squamous intraepithelial neoplasia) equivalent to anal intraepithelial neoplasia, III (AIN III)?

Final Mar 24 2020

Histology--Head & Neck:  Why is 8070 not listed as a valid histology for ill-defined sites as squamous cell carcinoma arises in the head and neck sites. See Discussion.

Final Mar 12 2020

Reportability/Histology--Vulva: Is Extramammary Paget neoplasm (intraepithelial glandular neoplasm) reportable? See Discussion.

Final Mar 11 2020
Next 10 >