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For cases diagnosed 2007 or later, accession two primaries, right breast cancer diagnosed in June 2006 and a subsequent right breast primary diagnosed in December 2011.

The steps used to arrive at this decision are:

Open the Multiple Primary and Histology Coding Rules Manual. Choose one of the three formats (i.e., flowchart, matrix or text). Go to the Breast MP rules because site specific rules exist for this primary.

Start at the MULTIPLE TUMORS module, rule M4. The rules are intended to be reviewed in consecutive order within a module. Accession two primaries, tumors diagnosed more than five (5) years apart are multiple primaries.

If the pathology report stated the tumor originated in residual breast tissue, then this is a new tumor and, therefore, a new primary per rule M5. If the pathology report stated the tumor arose in the chest wall and/or there is no designation of residual breast tissue, then this is a regional metastasis and not a new primary.

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

Per the Abstractor Notes in the Heme DB, primary effusion lymphoma (PEL) is unusual in that the majority of cases arise in body cavities, such as the pleural, pericardial, and peritoneal cavities. Because there are no ICD-O-3 codes for the pleural space, pericardium, or peritoneal cavity, code the primary site to pleura C384 when the neoplasm arises in the pleural cavity, to pericardium C380 when it occurs in the pericardium, and to peritoneal cavity C482 when it occurs in the peritoneum.

Typically only one body cavity is involved. However, if multiple regions are positive for PEL as in this case, code the primary site to C809 per Rule PH27. Rule PH27 indicates one is to code the to primary site C809 when there is no evidence of lymphoma in lymph nodes AND the physician in the medical record that he/she that the lymphoma in an

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.

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

Per Rule M14, accession this is a single primary. Per PH27, code the primary site to C809 [unknown} and per PH1, code the histology to 9680/3 [diffuse large B-cell lymphoma].

Per Rule M14, abstract as a single primary when post-transplant lymphoproliferative disorder is diagnosed simultaneously with any B-cell lymphoma, T-cell lymphoma, Hodgkin lymphoma or plasmacytoma/myeloma.

Per PH1, code the histology of the accompanying lymphoma or plasmacytoma/myeloma when the diagnoses of post-transplant lymphoproliferative disorder and any B-cell lymphoma, T-cell lymphoma, Hodgkin lymphoma, or plasmacytoma/myeloma occur simultaneously.

Per PH27, code the primary site to C809 [unknown primary site] because there is no lymph node involvement, but there is involvement of two extranodal sites.

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.

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

Code the primary site to C119 [nasopharynx] per Rule PH25.

Per our subject matter expert, use Module 7 Rule PH25 to code the primary site to an organ (nasopharynx and maxillary sinus) because an organ(s) and its regional lymph nodes are involved. The distant lymph nodes are simply part of the staging (the lymphoma has progressed to another lymph node region).

Diffuse large B cell lymphoma originating in the oral cavity and maxillofacial region is rare, but documented. The most common sites for this rare neoplasm are Waldeyer ring, tonsils, nasopharynx, base of tongue, and palatine tonsil. There are also rare cases of diffuse large B cell lymphoma originating in the maxillary sinus. The percentage of cases arising in the nasopharynx is greater than those originating in the maxillary sinus.

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.

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

Apply rule PH22 to code the primary site to C779 [lymph nodes, NOS].

While the pathology does not indicate that this particular case represents a B-cell lymphoma, unclassifiable with features intermediate between DLBCL and Burkitt variant, in the Abstractor Notes section of the Heme DB for diffuse large B-cell lymphoma it does indicate that its presentation, "may have lesions in ileocecal region or jaws. Bone marrow and peripheral blood may be involved. Patients present with lymphadenopathy or mass lesions in extranodal site." This patient does have involvement of two extranodal sites and involvement of regional lymph nodes for only one of those sites.

PH22 indicates one is to code the primary site to C77.9 [lymph nodes, NOS] when lymphoma is present in multiple organs and lymph nodes that are not regional for that organ and the origin cannot be determined even after consulting the physician. There are two extranodal sites of involvement and only one chain of lymph nodes is regional to one of those sites so this rule applies.

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.

The following answers depend on what this pathologist means by "ductal (tubular)." According to the WHO classification, tubular is not a duct subtype. Check with the pathologist if possible to determine if the intended meaning is "tubular carcinoma" or "duct carcinoma".

If the pathologist uses the expression "ductal (tubular)" as an equivalent of "tubular carcinoma": Accession two primaries, a tubular carcinoma [8211/3] and a ductal carcinoma in situ, solid type [8230/2].

For cases diagnosed 2007 and later, the steps used to arrive at this decision are:

Determine the provisional histologies of these tumors in order to apply the Multiple Primary rules. Open the Multiple Primary and Histology Coding Rules manual. For a breast primary, use the Breast Histology rules to determine the histology codes because there are site specific rules for breast primaries.

Determine the histology of in situ carcinoma, solid type ductal carcinoma in situ. Start at Rule H1. The rules are intended to be reviewed in consecutive order within the applicable Module. Code the more specific histologic term when the diagnosis is intraductal carcinoma and a type of intraductal carcinoma. Solid is a specific type of DCIS. The histology is 8230/2.

Determine the histology of the invasive carcinoma, tubular carcinoma. Start at Rule H10. Code the histology when only one histologic type is identified, Tubular carcinoma was the only type identified. The histology is 8211/3.

Go to the Breast MP rules found in the Multiple Primary and Histology Coding Rules Manual after determining the histology of each tumor. Start at the MULTIPLE TUMORS Module, Rule M4, because the patient has a single invasive tumor and separate foci of DCIS. These tumors have ICD-O-3 histology codes that are different at the third (xxx) number and are, therefore, multiple primaries.

If the pathologist uses the expression "ductal (tubular)" as an equivalent of "duct carcinoma": Accession a single primary, a duct carcinoma [8500/3].

For cases diagnosed 2007 and later, the steps used to arrive at this decision are:

Go to the Breast MP rules found in the Multiple Primary and Histology Coding Rules Manual. Start at the MULTIPLE TUMORS Module, Rule M4 because the patient has a single invasive duct carcinoma and separate foci of solid type ductal carcinoma in situ. Multiple intraductal and/or duct carcinomas are a single primary. Table 1 identifies solid type as a specific type of intraductal carcinoma.

Go to the Breast Histology rules found in the Multiple Primary and Histology Coding Rules Manual. Start at the MULTIPLE TUMORS ABSTRACTED AS A SINGLE PRIMARY Module, Rule H20. Code the invasive histology when both invasive and in situ tumors are present. Code the histology as 8500/3 [duct carcinoma].

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

This case should be accessioned as two primaries per Rule M15. Code the histology for the first primary to 9698/3 [nodular histiocytic lymphoma. Per the Alternate Names section in the Heme DB, this histology is synonymous with follicular lymphoma, grade 3. Code the histology for the second primary to 9823/3 [B-cell chronic lymphocytic leukemia/small lymphocytic lymphoma].

Nodular histiocytic lymphoma does not transform into CLL/SLL (Transformations to), nor does CLL/SLL transform to nodular histiocytic lymphoma (Transformations from). Rule M15 indicates we are to use the Heme DB Multiple Primaries Calculator to determine the number of primaries in this case because none of the rules from 1-14 apply. Per the calculator, the CLL/SLL is a new primary.

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.

For cases diagnosed 2007 or later, accession a single primary, hepatocellular carcinoma [8170/3].

The steps used to arrive at this decision are:

Open the Multiple Primary and Histology Coding Rules Manual. Choose one of the three formats (i.e., flowchart, matrix or text) and go to the Other Sites MP rules because liver does not have site specific rules developed.

Start at the MULTIPLE TUMORS module, rule M3. The rules are intended to be reviewed in consecutive order within a module. There is one tumor with HCC and another tumor with a specific type of HCC.

Hepatocellular carcinomas vary and often display different architectural patterns such as solid, acinar and trabecular.

For cases diagnosed 2021 and later

VIN II-III is reportable based on ICD-O-3.2 which lists squamous intraepithelial neoplasia, grade II as 8077/2 making it reportable. Also see SINQ 20120094.