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The mediastinal nodes were submitted as a separate specimen. The patient also had several peribronchial nodes identified within the lobectomy specimen.

Does code 33 (Lobectomy with mediastinal lymph node dissection) require a complete mediastinal lymph node dissection (i.e. the removal of all lymph nodes in mediastinal chain(s) as opposed to a selective sampling/dissection of lymph nodes from multiple mediastinal chains)?

The patient was diagnosed with GE junction signet ring adenocarcinoma (8490/3) in 5/2012, treated with radiation. GE junction biopsy on 9/20/2012 showed residual signet ring carcinoma. Subsequent biopsies on 7/8/2013 showed GE junction biopsy of invasive adenocarcinoma, signet ring cell type along with “Esophagus, distal and GE junction biopsies” (site not further clarified in available documentation) with Goblet cell carcinoma. The histology code for the goblet cell carcinoma is needed to determine the number of primaries.

The note explains: The International Society for the Study of Vulvovaginal Disease (ISSVD) in 2004 revised its classification of VIN by eliminating VIN 1 and combining VIN 2 and VIN 3 into a single category (see table below). Classification of VIN (usual type) ISSVD [International Society for the Study of Vulvovaginal Disease]1986 classification 2004 classification VIN 1 VIN2 VIN3 VIN Note: VIN 2 and VIN 3 combined into single [non-graded] category, VIN Reference: Scurry J and Wilkinson EJ.  Review of terminology of precursors of vulvar squamous cell carcinoma. Journal of lower genital tract disease, 2006; 10(3):  161-169

The rules for coding Bladder Grade appear to have changed over time. SPCM 2013 Appendix C instructions state that Grade should be coded to 9 for urothelial carcinoma in situ (8120/2) and to 1 or 3 for non-invasive papillary urothelial carcinoma (8130/2).

When the grade instructions were removed from Appendix C in 2014, these site specific instructions for in situ bladder cases were no longer included. Thus the two grade system, found in SPCSM 2014+ Grade/Differentiation Coding Instructions for Solid Tumors, is being used to code grade for both the in situ and invasive urothelial malignancies stated to be "low grade" (code 2) or "high grade" (code 4). See also, SINQ 20150022. Please clarify the current grade instructions for in situ and invasive urothelial carcinomas of the bladder.

Multilocular clear cell renal cell carcinoma is a specifc histologic type listed in the CAP cancer protocol for kidney, but not in the ICD-O-3 and it is not on the list of specific types of renal cell carcinomas in Table 1 of the kidney equivalent terms and definitions in the MP/H manual. There is a malignant multilocular cystic nephroma 8959 in Table 1, but I can't tell if this the same histology as what is stated in this path report.

Pathology report states: the individual nodules of trichoblastic cells resemble those seen in trichoblastoma, but the lesion is very poorly circumscribed with an infiltrative border that extends into the subcutis. the lesion may behave in a locally aggressive fashion, and should be completely removed. High grade trichoblastic carcinomas can metastasize.

The pathology report states "Right mediastinal mass: poorly differentiated non-small cell carcinoma with neuroendocrine differentiation." This is the only histologic confirmation of this lung primary that is collected.

There is a 1988 case that hit the SEER edits for other reasons but not because of that site/histo combination (C000 and 8090/3); however, there is no text.

Per a Dataminer query, there are 42 cases in the state database with C000-C009 and 8090.  On review, a few did have a mention of the word "upper lip/mucosa" in the PE text or OP findings (not path because a lot of these are removed in the MD office and we don't see the path report). Other times, there is no mention but the abstractor used the C00 codes instead of C44 so the cases get through.

SINQ #20031110 addresses this in relation to C000, Lip, NOS but we want to know if this answer meant you would never report a basal carcinoma lip case period (even if there is a mention of mucosa or any mention of mucosa in the path report). Are there any exceptions?

It seems if you would never report a basal lip carcinoma, then SEER would block those cases from being reported/submitted and the wording would be stronger in the SEER manual.

Right now the reportability only addresses if someone codes C44 but if someone decides to use C00 codes then it is allowed. Under Primary Site, there is even a listing under 12 for "absence of any additional information" and lists "Colored / lipstick portion of upper lip" as code C000.