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Abstract two primaries using Urinary Solid Tumor Rules, Rule M12. The histologies include non-invasive papillary urothelial carcinoma (8130/2) and non-invasive micropapillary urothelial carcinoma (8131/3). The two histology codes are listed as subtypes of Papillary urothelial (transitional cell) carcinoma in column 3 of Table 2.

WHO Classification of Urinary and Male Genital Tumors, 5th edition classifies micropapillary urothelial carcinoma as an aggressive subtype of urothelial carcinoma with carcinoma in situ present in more than half of all micropapillary carcinomas.

Rule 7 Note 3 of the Urinary Solid Tumor Rules states that there are no /2 subtypes for urothelial carcinoma with the exception of papillary urothelial carcinoma and applies to multiple occurrences of /2 urothelial carcinoma of the bladder.

Rule 8 applies to 8131/3 and 8120/3.

Based on your question, a review of the AJCC manual was done to clarify how these nodes would be coded. A review of Extent of Disease (EOD) Regional Nodes and EOD Mets was also done. That information is correct and in line with AJCC 8th edition. We apologize that SS2018 was not updated accordingly and thank you for bringing this issue to our attention.

Per AJCC, infraclavicular and intramammary nodes are ipsilateral for the N category. Contralateral or bilateral involvement are included in the M category.

The following will be applied to the planned 2020 update of the SS2018 manual.

Code 3

Ipsilateral will be added to Infraclavicular and Intramammary

Infraclavicular (subclavicular) (ipsilateral)

Intramammary (ipsilateral)

Code 7

The following will be added under Distant lymph nodes

Infraclavicular (subclavicular) (contralateral or bilateral)

Intramammary (contralateral or bilateral)

Rule H8 applies, code the histology with the numerically higher ICD-O-3 code which is papillary transitional cell carcinoma, 8130.

Based on the information provided, there is a single bladder tumor, papillary urothelial carcinoma with squamous cell differentiation. Urinary sites rule H12 does not apply because this is a single tumor, not multiple tumors. In the single tumor H rules, H3 does not apply as this rule does not include papillary transitional cell carcinoma. Rule H4 is papillary carcinoma or papillary transitional cell carcinoma and refers you to Table 1. Table 1 does not list papillary urothelial carcinoma with squamous cell differentiation because there is no ICD-O-3 code for this histology. Table 1 does list transitional cell carcinoma with squamous differentiation as code 8120, however, the papillary transitional cell carcinoma is the higher code, 8130. We will review this situation for the next version of the rules.

Assign grade code 4 using the sarcoma table. Nottingham or Bloom-Richardson (BR) Score/Grade does not apply to angiosarcomas. This is a good question and points out needed clarification of the grade rules.

Follow the guidelines in SINQ 20130022 for now. When the MP/H rules are revised, new instructions will be implemented.

See also SINQ 200120078 and 20110069.

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

Common variable immunodeficiency (acquired hypogammaglobulinemia) is not a reportable condition.

Common variable immunodeficiency represents a group of approximately 150 primary immunodeficiencies that have a common set of symptoms but different underlying causes, both benign and malignant.

The case is not reportable unless this immunodeficiency diagnosis is accompanied by a diagnosis of a cancer or a reportable hematopoietic or lymphoid neoplasm.

See Appendix F: Non-Reportable List for Hematopoietic Diseases.

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 the Multiple Primaries/Histology, Breast Rule H3: DCIS and a more specific in situ are coded to the more specific histology term which in this case is solid. Code the histology to ductal carcinoma in situ, solid type (8230/2). Based on the information provided, there is no invasive component. The term "microca ++" means micro-calcifications are present, not micro carcinoma.

1st primary, 8/23/12: Follicular lymphoma, grade 1 2nd primary, 1/6/14: Diffuse Large B Cell Lymphoma

Apply the multiple primary rules twice for this case. The 2012 diagnosis is follicular lymphoma. There are two histologies in 2014: diffuse large b cell lymphoma and follicle center cell lymphoma diagnosed at the same time in the same location. This is one primary per rule M4.

Then compare the 2012 diagnosis to the 2014 diagnosis.

Per the Hematopoietic Database, follicular lymphoma (all types) transforms to DLBCL. Per Rule M10, the DLBCL would be a second primary.

Assign C139 for a primary originating in the parapharyngeal space. This space contains part of the parotid gland, adipose tissue, lymph nodes, nerves, arteries and veins.

Revised answer: Assign surgery code 30 for both examples based on the SEER Note on the top of page 2 in the Surgery of Primary Site Codes for Skin: If it is stated to be a wide excision or reexcision, but the margins are unknown, code to 30.