SEER Inquiry System - Search

Solid Tumor Rules (2018)/Histology--Head & Neck: Where does cytology rank on the Priority Order for Using Documentation to Identify Histology for Head and Neck primaries? See Discussion.

Solid Tumor Rules (2018)/Histology: Please provide further explanation for prioritizing biomarkers in the histology coding rules. See Discussion.

First course treatment/Update to current manual: Should the instruction regarding expectant management in the 2021 (and 2022) SEER Manual include how to code for the patient’s decision to proceed with expectant management?  See Discussion.

Surgery of Primary Site--Melanoma: How is Surgery of Primary Site coded when a path specimen is labeled as a “staged excision” for a cutaneous melanoma. See Discussion.

Reportability/Histology--Gallbladder: Is Intracholecystic papillary neoplasm (ICPN) with low-grade intraepithelial neoplasia reportable? The primary site is gallbladder.

Reportability--Liver: Is intraductal papillary mucinous neoplasm (IPMN) of the liver a reportable diagnosis? See Discussion.

Reportability--Is "intraductal papillary mucinous neoplasm with low grade dysplasia" (also called IPMN adenoma) reportable? See Discussion.

Behavior/Summary Stage 2018--Colon: What is the correct behavior and Summary Stage for a case of intramucosal adenocarcinoma arising in tubular adenoma? AJCC states this is Tis, though SEER Summary Stagie states this is Localized (code 1). The histology is 8140/2 (adenocarcinoma in situ), but the SEER Summary Stage is Locallized.

Solid Tumor Rules (2018)/Histology--Lung: What is the difference between Lung Rules H7 and H8 (Single Tumor Module)? When would one use H8 rather than H7? See Discussion.