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

Always code diagnostic confirmation to 9 [Unknown whether or not microscopically confirmed; death certificate only] for DCO cases.

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.

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.

Rule PH21 applies to this situation which states to code the primary site to multiple lymph node regions, NOS (C778) when multiple lymph node regions, as defined by ICD-O-3, are involved and it is not possible to identify the lymph node region where the lymphoma originated. Axillary nodes are coded to C773 and inguinal nodes are coded to C774. There are two lymph node regions involved. Code the primary site to C778 [multiple lymph nodes].

If this patient had only bilateral axillary OR only bilateral inguinal nodes are involved, then PH20 would have applied and you would code to the specific lymph node region mentioned.

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.

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

Accession a single primary, diffuse large B-cell lymphoma [9680/3] diagnosed in 2003 per Rule M2. Abstract a single primary when there is a single histology. Per Rule M2, Note 2, a recurrence of the same histology is always a single primary (timing is not relevant).

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.

Code to pleura, C384.

Per the Hematopoietic database, Diffuse Large B-Cell Lymphoma can originate in the pleural cavity.

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

Code the primary site to C421 [bone marrow] per Rule PH5. Code the primary site to the bone marrow when the peripheral blood is involved, even if no bone marrow biopsy is performed.

According to the notes for Rule PH5, CLL always has peripheral blood involvement (PH5 Note 1). CLL/SLL may also have involvement of lymph node regions in later stages (PH5, Note 2). For this patient a bone marrow biopsy was not performed but he had extensive lymph node and peripheral blood involvement. Therefore, the primary site is coded to C421. In addition, the physician's documentation specifies this patient has Stage 0 disease which indicates this disease process is being classified as leukemia (CLL).

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.

Assign laterality code 9 for midline nasal cavity tumor. We will investigate this issue further.

Report two primaries: MALT lymphoma and signet ring carcinoma. Use the 2007 MP/H rules and the Heme rules for this case.

This case could be an example of a "collision tumor" - two separate tumors that grow together into one mass. Collision tumors are a rare exception to rule M2 in the MP/H rules.

Code 8122/3 (UC/TCC, Sarcomatoid). Rule H5 and Table 1 apply.

This is based on the information provided: Transitional Cell Carcinoma with sarcomatoid variant, and Table 1 in Terms and Definitions for "Ureter/Renal Pelvis/Bladder".