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Report Produced: 02/25/2026 15:40 PM

Report Question ID Question Discussion Answer Year
20021193 Grade, Differentiation--Breast: Does SEER agree with our pathologist who contends that "by convention lobular carcinoma is considered to be grade 2"? No. SEER does not have a default grade code for lobular carcinoma. Code the grade as stated in the pathology report. If no grade is stated, code the Grade, Differentiation field to 9 [Cell type not determined, not stated or not applicable]. 2002
20100070 Histology--Heme & Lymphoid Neoplasms: How is this field coded for a follicular lymphoma, grade 2 of 3, predominantly nodular?

For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.

Code histology to 9691/3 [Follicular lymphoma, grade 2]. Nodular lymphoma is an obsolete term once used to describe follicular lymphoma. (See Appendix A, Table A3)

SEER*Educate provides training on how to use the Heme Manual and DB. If you are unsure how to arrive at the answer in this SINQ question, refer to SEER*Educate to practice coding hematopoietic and lymphoid neoplasms. Review the step-by-step instructions provided for each case scenario to learn how to use the application and manual to arrive at the answer provided. https://educate.fhcrc.org/LandingPage.aspx.

2010
20020008 Surgery of Primary Site--Breast: Does the presence of axillary lymph node(s) in a "simple mastectomy" specimen impact the coding of the Surgery of Primary Site field for breast primaries?

Yes. Determine whether there is, in fact, at least a portion of axillary tissue present. If axillary lymph nodes (not internal mammary nodes) are present in the specimen, code the Surgery of Primary Site field to 51 [Modified Radical Mastectomy WITHOUT removal of uninvolved contralateral breast]. If there are no axillary lymph nodes present in the specimen, code the Surgery to Primary Site field to 41 [Total (simple) mastectomy WITHOUT removal of uninvolved contralateral breast].

2002
20160032

Reportability--Brain: Is benign lymphangioma of the brain (9170/0) reportable? It is not on the list of non-malignant blood vessel tumors in the National Program of Cancer Registries Clarifications for Central Nervous System (CNS) tumors.

Lymphangioma of the brain or CNS is not reportable. Lymphangioma is a malformation of the lymphatic system. Even though it has an ICD-O-3 code, do not report it.

2016
20081125 Reportability: Is the following tumor(s) reportable? MRI of thoracic spine shows intramedullary hemangiomas in the bodies of T5 and T6.

Intramedullary hemangiomas in T5 and T6 are not reportable.

These benign tumors originate in the bone, not spinal canal, cord or dura. Benign tumors of the bone are not reportable.

According to WHO, the most common sites of involvement are the vertebral bodies, followed by craniofacial skeleton and long bones.

 2008
20031181

EOD-Extension--Kaposi Sarcoma: Is a "markedly enlarged spleen" involvement for cases of Kaposi Sarcoma?

For cases diagnosed 1998-2003: No. Splenomegaly is not synonymous with "extension to" or "involvement of" the spleen in Kaposi's sarcoma. Look for a definite statement of Kaposi's lesion(s) involving the spleen.

 2003
20091089 Histology--Hematopoietic: How is histology coded for a "chronic lymphocytic leukemia with plasmacytic differentiation"?

For cases diagnosed prior to 1/1/2010:Assign histology code 9823/3 [Chronic lymphocytic leukemia]. Plasmacytic differentiation does not indicate a plasma cell or plasmacytic leukemia.

For cases diagnosed 1/1/10 and later, refer to the Hematopoietic and Lymphoid Neoplasm Case Reportability and Coding Manual and the Hematopoietic Database (Hematopoietic DB) provided by SEER on its website to research your question. If those resources do not adequately address your issue, submit a new question to SINQ.

 2009
20000476 Surgery of Primary Site--Ovary: What code is used to represent this field when a patient has a history of a previous organ removal and has additional surgery/organ removal for a present cancer (e.g., History of a 1984 hysterectomy and in 2003 has ovarian primary treated with BSO)? For cases diagnosed 1/1/2003 and after: Code the Surgery of Primary Site field to 52 [Bilateral salpingo-oophorectomy WITH hysterectomy]. 2000
20021081

Multiple Primaries (Pre-2007)--Melanoma: Many melanoma patients have multiple occurrences over time that are not called recurrent and often are even in the same skin subsite, some in situ only and others alternating between in situ and invasive. Should these multiple occurrences really be new primaries?

For tumors diagnosed prior to 2007:

Unless it is stated to be a RECURRENT or METASTATIC melanoma, record each melanoma as a separate primary when:

1. The occurrences are more than two months apart.

2. The fourth digit of the ICD-O topography code for skin [C44._] is different .

3. The first three digits of ICD-O-3 morphology code are different.

4. An in situ melanoma is followed by an invasive melanoma.

For tumors diagnosed 2007 or later, refer to the MP/H rules. If there are still questions about how this type of tumor should be coded, submit a new question to SINQ and include the difficulties you are encountering in applying the MP/H rules.

 2002
20130078

Ambiguous terminology/Reportability--Heme & Lymphoid Neoplasms: Is a physician diagnosis of "appears to be a myeloproliferative disorder" reportable if the patient has no treatment and the physician elects to follow the patient with CBC's?.

Yes. This is a reportable diagnosis and should be accessioned with the histology coded to 9975/3 [myelodysplastic/myeloproliferative neoplasm, unclassifiable].

The word is a reportable ambiguous term per the Hematopoietic Coding Manual (Case Reportability Instructions, Rule 4).

Myeloproliferative disorder is synonymous with myeloproliferative disease. Myeloproliferative disease is listed as an alternate name for myelodysplastic/myeloproliferative neoplasm, unclassifiable.

 2013