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Report Produced: 02/27/2026 19:07 PM

Report Question ID Question Discussion Answer Year
20130201 Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are reported for a patient with a 6/5/12 RUL biopsy that is positive for MALT lymphoma and a 6/7/12 cervical lymph node biopsy that is positive for follicular lymphoma?

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

Per Rule M15, abstract two primaries for this case. According to M15, use the Heme DB Multiple Primaries Calculator to determine the number of primaries for all cases that do not meet the criteria of M1-M14. The result is two primaries, MALT lymphoma [9699/3] and follicular cell lymphoma [9690/3].

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.

2013
20130200 Primary Site--Heme & Lymphoid Neoplasms: What is the primary site for a diffuse large B-cell lymphoma involving the testicles, stomach, rectum and bone marrow, when no lymph nodes are involved?

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

Per PH27, code the primary site to C809 [unknown]. Rule PH27 states one is to code the primary site to unknown [C809] when there is no evidence of lymphoma in lymph nodes AND the physician documents in the medical record that he/she suspects that the lymphoma originates in an organ(s) OR there is multiple organ involvement without any nodal involvement.

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.

2013
20130199

MP/H Rules/Multiple primaries--Breast: Does breast Rule M10, 'Tumors that are lobular (8520) and intraductal or duct are a single primary" apply if you have two tumors in the same breast, one ductal and the other tubulolobular (8524) or are they separate primaries per Rule M12?

Apply Rule M10 to this case. Tubulolobular is now classified as a variant of lobular. Code to lobular, NOS (8520) because Tubulolobular does not have a specific ICD-O-3 code.

 2013
20130198 MP/H Rules/Multiple primaries--Rectosigmoid: How many primaries are accessioned for a synchronous diagnosis of neuroendocrine carcinoma and a separate adenocarcinoma arising in a villous adenoma when both arise in the rectosigmoid junction? See Discussion. Total colectomy showed neuroendocrine carcinoma of the rectosigmoid junction, as well as a separate adenocarcinoma arising in a villous adenoma of the rectosigmoid junction. Is this a single primary per Rule M13 (a frank adenocarcinoma and an adenocarcinoma in a polyp) or Rule M16 (adenocarcinoma and a more specific adenocarcinoma)? Or are these two primaries?

Accession two primaries per Rule M17, neuroendocrine carcinoma [8246/3] of the rectosigmoid junction [C199], and adenocarcinoma in a villous adenoma [8261/3] of the rectosigmoid junction [C199]. There are two tumors with ICD-O-3 histology codes that differ at the third number.

Rule M13 does not apply to neuroendocrine carcinoma. Rule M16 does not apply to this case because there are two specific histologies.

2013
20130197 MP/H Rules/Histology--Urinary System: What is the histology code for a 2007 and later diagnosis of papillary carcinoma of the urinary system organs? See Discussion.

Will histology code 8050 [papillary carcinoma, NOS] be used for cases diagnosed 2007 and later? The MP/H Rule H4 for urinary primaries states to code papillary carcinoma to code 8130, but Rule M6 includes tumors coded to 8050.

The IARC publication Pathology and Genetics of Tumours of the Urinary System and Male Genital Organs uses code 8130 only for papillary carcinoma.

Code the histology to 8130 [papillary transitional cell carcinoma] for cases of papillary carcinoma of the urinary system diagnosed 2007 and later.

Histology code 8050 [papillary carcinoma, NOS] should not be used for papillary carcinoma of the urinary system diagnosed starting in 2007. Rule M6 includes this histology to take pre-2007 cases into consideration.

2013
20130195 Laterality--Heme & Lymphoid Neoplasms: Is laterality coded to 0 [not paired] for all lymphoma cases including paired sites (e.g., breast, lung)?

Laterality coding for lymphomas is based on the primary site not histology. Laterality describes the side of a paired organ or side of the body on which the reportable tumor originated. Determine whether laterality should be coded for each primary.

Laterality coding instructions are located in the SEER Program Coding and Staging Manual. See pages 68-70 in the 2013 manual,

http://www.seer.cancer.gov/manuals/2013/SPCSM_2013_maindoc.pdf.

 2013
20130194

Reportability--Brain and CNS: Are blood vessel tumors arising in CNS sites reportable? See Discussion.

Previous instructions from the CDC (Cancer - Collection and Coding Clarification for CNS Tumors - NPCR) stated that non-malignant blood vessel tumors in CNS sites are reportable and should be coded to the CNS site in which they arose. SINQ 20081113 also states that a blood vessel tumor, cavernoma/cavernous hemangioma, in the brain is reportable. However, SINQ 20120034 contradicts this previous answer stating the site should be coded to C490 [blood vessel] for a blood vessel tumor (venous angioma) in the brain.

If blood vessel tumors arising in a CNS site are no longer reportable, please specify the site/histology codes for these non-reportable tumors and when this change took place.

Vascular tumors of the CNS are reportable when they arise in the dura or parenchyma of the CNS and should be coded accordingly. The instructions in the CDC book regarding primary site coding are not the most current instructions.SEER assumed responsibility for brain and CNS reporting instructions in 2007.

The tumor in SINQ 20120034 is not reportable because it arises in a blood vessel. The cavernous hemangioma in SINQ 20081113 is reportable because the primary site is the white matter of the cerebral cortex.

 2013
20130193 Sex: How is sex coded for a transsexual diagnosed with a testicular primary? See Discussion. The Physical Exam states patient is male. There is a note that the patient is transsexual. There is no indication that the orchiectomy was part of gender reassignment surgery. Code sex to 1 [male]. When the natal sex is known, code that over transsexual. 2013
20130192 MP/H Rules/Histology--Pleura: How is histology coded when the pathology report final diagnosis is "malignant neoplasm, compatible with malignant mesothelioma" if the COMMENT section of the pathology report indicates the tumor has a mixed epithelial and sarcomatoid pattern? See Discussion. This case was discussed with a pathologist who feels the correct histology should be biphasic mesothelioma (9053/3) because there are both epithelial and sarcomatoid components to this tumor. However, applying the current MP/H Rules, the histology is coded to 9050/3 (mesothelioma, NOS) because the term "pattern" cannot be used to code a more specific histologic type for invasive tumors. If this truly is a biphasic mesothelioma, that data is lost for researchers because the current MP/H Rules fail to capture this information. Should the term pattern be used to code the more specific histology in this case? Code the histology to malignant mesothelioma, NOS [9050/3]. Apply the MP/H Rules as written until they are revised. The word "pattern" and other terms will be reconsidered for the next iteration of the rules. 2013
20130191 Systemic/Surgery Sequence--Bladder: How is the systemic treatment/surgery sequence field coded for a 2013 case if the patient has a TURBT followed by multi-agent chemotherapy, and then a cystoprostatectomy followed by post-operative multi-agent chemotherapy? For cases diagnosed in 2012 and later, code 7 (surgery both before and after systemic therapy) seems like the most appropriate answer. However, previous SINQ entries 20091055 and 20071102 have conflicting answers regarding surgery before and after systemic therapy. Do these SINQ entries apply to a 2013 diagnosis? Would the systemic treatment/surgery sequence be coded 7 because this patient had surgery then chemotherapy followed by more surgery? Should the post-operative systemic treatment be ignored in coding the sequence in this case?

Code the Systemic/Surgery Sequence to 7 [surgery both before and after systemic therapy] for this case.

The answers to SINQ 20091055 and 20071102 do not apply to a case diagnosed in 2013. These answers were posted prior to code 7 becoming effective in 2012.

2013