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Report Produced: 12/31/2025 06:12 AM

Report Question ID Question Discussion Answer Year
20100072 Histology/Reportability--Heme & Lymphoid Neoplasms: Is a diagnosis of follicular lymphoma in situ of the gallbladder reportable for 2010? See Discussion. Coding the histology to 9690 [Follicular lymphoma] with a behavior of 2 [in situ] causes many edits including SEER and CS edits to fail. According to the chief of pathology, this is a recently identified pathologic entity.

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

Currently, lymphoma in situ is not reportable. It is true that this is a recently identified pathologic entity. Our experts say that there is still some controversy to be ironed out regarding the criteria for identifying an in situ lymphoma. Their recommendation was to wait until clear guidelines had been established for the pathologists before we start collection of in situ lymphomas. We anticipate collecting these entities in the future.

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
20100006

MP/H Rules/Multiple primaries--Kidney: In a patient with a history of renal cell carcinoma, would a new primary be accessioned per Rule M10 for a soft tissue mass in the renal fossa not stated to be a metastasis but that was referred to as recurrent renal cell carcinoma, clear cell per the excision pathology report? See Discussion.

This patient was diagnosed with clear cell carcinoma of the right kidney in 2003, treated with nephrectomy. The tumor was limited to the kidney. An FNA of the pancreas in 11/07 was consistent with metastatic renal cell carcinoma. In 2009 the patient was diagnosed with a right renal fossa mass by CT. The mass was excised on 8/26/09 and showed, "recurrent renal cell ca, clear cell." The path specimen was labeled as, "soft tissue, rt renal fossa." The original 2003 slides were not reviewed and the renal fossa mass was not described as being metastatic.

If the renal fossa soft tissue mass is a new tumor, the MP/H rules for Other Sites directs you to code it as a new primary per rule M10 [Tumors diagnosed more than one (1) year apart are multiple primaries]. Would this be a new soft tissue tumor per rule M10? Or would this be a recurrence of the original kidney primary?

For cases diagnosed 2007 or later:

This is not a new primary. The patient has metastatic disease from the 2003 kidney primary. Clear cell carcinoma metastasized to the pancreas in 2007 and to the right renal fossa in 2009.

 2010
20091023 Sugery of Primary Site--Breast: When a patient is simultaneously diagnosed with bilateral breast cancer and bilateral mastectomies are done, do you code the total mastectomies to 40 or 41 or 42?

Abstract cancer of the left breast and cancer of the right breast as separate primaries. Code the surgery for each primary independent of the other primary.

For the first primary, assign code 41 [Total (simple) mastectomy, NOS WITHOUT removal of uninvolved contralateral breast].

For the second primary, assign the code for the procedure performed on that site.

 2009
20091117 MP/H Rules/Histology--Breast: How is histology to be coded for a breast primary described as "tubular carcinoma (well differentiated invasive ductal carcinoma)"? See Discussion.

How are terms that are modified by parentheses to be interpreted? Do terms in parentheses modify the stated diagnosis and thus have priority over the stated diagnosis? Or would rule H17 apply and histology would be coded as duct and other carcinoma? For this case, the wording of the diagnosis and use of parentheses seem to indicate that tubular is a type of ductal carcinoma. Tubular is not listed as a specific duct carcinoma in the MP/H rules histology tables for breast.

For cases diagnosed 2007 or later, code the histology as tubular carcinoma [8211/3]. This is not a case of tubular AND infiltrating duct. The histology is stated to be tubular. Tubular is not a specific type of duct carcinoma. 2009
20091083 Grade/Cell indicator--Lymphoma: How is Grade/Cell indicator coded for anaplastic large cell lymphoma? See Discussion. The SPCM states cell indicator codes take precedence over grade/differentiation codes for lymphoma and leukemia cases.

For cases diagnosed prior to 1/1/2010:Because there is no cell indicator information, code 9 [cell type not determined] in the grade/cell indicator field. Do not code grade for lymphoma. For lymphoma and leukemia this field is the cell indicator.

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
20091113 MP/H Rules/Histology--Breast: How is histology coded when a nipple biopsy shows Paget disease but the mastectomy specimen shows only infiltrating ductal carcinoma in the breast tissue and the nipple is negative for Paget disease? See Discussion. Biopsy of nipple showed Paget disease. Subsequent mastectomy showed two tumors proven to be infiltrating ductal carcinoma. Nipple is negative. Per MP/H rule M9, this is all counted as a single primary. Do we code histology from the most representative specimen and lose the information about the Paget disease? For cases diagnosed 2007 or later, code the histology 8541/3 [Paget disease and infiltrating duct carcinoma]. Paget disease of the nipple and infiltrating duct are separate tumors. For each tumor, take the histology from the most representative specimen. The biopsy is the most representative specimen for the Paget disease. The mastectomy is the most representative specimen for the infiltrating duct. According to the multiple primary rules, tumors that are Paget disease and duct are a single primary (M9). According to the histology rules, assign code 8541/3 (H26). 2009
20091120

MP/H Rules/Histology--Esophagus: Should the modifying expression "with areas of" be used to code histology? See Discussion.

Patient was found to have two tumors in the esophagus. The large tumor was diagnosed as adenocarcinoma with areas of neuroendocrine differentiation (small cell carcinoma). The smaller tumor was diagnosed as small cell carcinoma. If we accept the "areas of" to be part of the diagnosis, rule H16 indicates that histology for the large tumor would be coded 8045 (combined small cell and adenocarcinoma). If we ignore the "areas of," then histology for the large tumor would be coded to 8140 (adenocarcinoma). Either way, when counting primaries, rule M17 would be applied and the two tumors would be classified as separate primaries. However, it seems that the two tumors are probably the same disease process since they both show small cell carcinoma.

For cases diagnosed 2007 or later, do not use the modifying expression "with areas of" to determine a more specific histology per rule H13 in the MP/H rules.

 2009
20091114 MP/H Rules/Multiple primaries--Breast: Would a left chest wall mass excision stated to be ductal carcinoma consistent with a breast primary and, "compatible with either local recurrence or potentially a metastasis" be a new primary per the MP/H rules? See Discussion. Patient underwent mastectomy in 1986 for infiltrating ductal carcinoma of left breast. Excision of left chest wall mass in March 2009 showed ductal carcinoma consistent with breast primary. The pathology report COMMENT stated it would be compatible with either local recurrence or a metastasis. The patient's primary breast carcinoma material is not available for direct comparison and the MP/H rules instruct us to ignore metastasis. For cases diagnosed 2007 or later, the MP/H rules do not apply to metastasis. If there is no further information available for this case, the MP/H rules do not apply to the 2009 diagnosis. 2009
20091079 Primary site--Bladder: What is the correct subsite for "interureteric ridge"? See Discussion. Description: 4 mm nodule at base of bladder near interureteric ridge.

For this case, assign code C670 [Trigone of bladder]. The description for this case states that the tumor location is the base of the bladder. Base is a synonym for trigone.

The interureteric ridge (or interureteric crest, or interureteric fold) is a fold of mucous membrane extending accross the bladder between the two ureteric orifices. The trigone is located below the interureteric ridge.

 2009
20091084 Primary site--Colon: How do you determine the correct subsite when there is conflicting information in different reports? Are there priority rules for coding subsite for sites other than Head and Neck? See Discussion. The path report for a hemicolectomy says, " Specimen: left colon..." and the microscopic says, "...received in formalin designated left colon..." The Operative procedure report says, "Postoperative diagnosis - splenic flexure tumor." The text of this report says, "Mobilizing the splenic flexure mass was incredibly difficult..." and then goes on to describe exactly how and where it was resected. The discharge summary says adenosquamous carcinoma of the splenic flexure. SINQ20051010 says to use the pathology report first, but this was written before the new MP/H rules.

Use the operative report information to code primary site in this case. It is more accurate.

The operative report is usually a better source of location information compared to the pathology report. The pathologist can only reiterate the location as it was reported to him/her.

The 2007 SEER manual states "Unless otherwise instructed, use all available information to code the site," page 69.

 2009