SEER Inquiry System - Search

Solid Tumor Rules (2018/2021)/Multiple primaries--Ovary, Fallopian Tube: How many primaries should be reported when patient has right fallopian tube high-grade serous carcinoma and bilateral serous tubal intraepithelial carcinoma (STIC)? See Discussion.

Solid Tumor Rules (2018/2021)/Multiple primaries--Ovary, Fallopian Tubes: How many primaries should be reported and for which primary site(s) when pathologist identifies bilateral ovarian high-grade serous carcinoma with involvement of the left fallopian tube (also showing serous tubal intraepithelial carcinoma (STIC))? See Discussion.

Histology/Reportability--Heme and Lymphoid Neoplasms: Is a case that is compatible with low grade myelodysplastic syndrome with multilineage dysplasia (MDS-MLD) reportable, and if so, is the histology plasma cell myeloma or myelodysplastic syndrome (MDS)? 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.

Reportability/Histology--Thymus: Is a 2021 diagnosis of a type A microscopic thymoma reportable? See Discussion.

Solid Tumor Rules (2018, 2021)/Histology--Melanoma: How is histology coded for an invasive melanoma with multiple subtype/variants? See Discussion.

Multiple Primaries/Histology--Lymphoma: What is the histology code and how many primaries are there based on a gastrohepatic lymph node biopsy that shows: Nodular lymphocyte-predominant Hodgkin lymphoma with T-cell/histiocyte rich diffuse large B-cell lymphoma (DLBCL)-like transformation. If two primaries, what is the diagnosis date for each primary? See Discussion.

Reportability/Histology--Kidney: Is an oncocytic renal neoplasm of low malignant potential (ORNLMP) reportable? See Discussion.

2018 Solid Tumor Rules/Multiple Primaries--Breast: How many primaries should be reported when a left breast simple mastectomy identifies focal Paget disease of the nipple and 12 axillary nodes positive for metastatic lobular carcinoma (no primary lobular breast tumor identified)?

EOD 2018/EOD Primary Tumor--Tumor Size--Pathologic: How is Tumor Size--Pathologic coded when Extent of Disease (EOD) Primary Tumor is 800 (No evidence of primary tumor) and there has been no surgery to the primary site? See Discussion.