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1993 Renal pelvis: Papillary urothelial carcinoma

1994 Bladder: Noninvasive bladder ca NOS

6/11/13 Bladder: Noninvasive papillary urothelial carcinoma

8/19/14 Bladder: urothelial carcinoma in situ

2/13/15 Bladder: Papillary urothelial carcinoma

Would this situation be 2 primaries - 1993 Renal pelvis and 1994 Bladder with the 2015 being the same primary as 1993 Renal pelvis? Or 3 primaries - 1993 Renal pelvis, 1994 Bladder, 2015 Bladder?

In the Hematopoetic Manual, page 22, it is states: "The use of donor leukocyte infusions for treatment of hematopoietic neoplasms, specifically leukemias, is increasing.  Abstract as bone marrow transplant when a reportable hematopoietic neoplasm is treated with donor leukocyte infusion, even if it is not listed in the treatment section of the Heme db for the specific neoplasm."  Question 20110048 in the SEER Inquiry, it is stated "Donor lymphocyte infusion (DLI) is coded as immunotherapy."  Donor lymphocyte infusion and donor leukocyte infusions are the same procedure.  Please clarify discrepancy as coding is needed for a case treated with donor lymphocytic infusion.

A segmental resection pathology report states "benign mucosal endocrine proliferation consistent with a 0.3 cm duodenal carcinoid tumor." The diagnosis comment further states, "the separate small endocrine lesion is histologically benign, consistent with a 3 mm carcinoid tumor." This seems to be an example of a description of a microcarcinoid tumor referenced in SINQ 20160011. However, in this new case the pathologist specifically states the tumor is benign.

The WHO definition of microcarcinoid indicates this is a precursor lesion, which seems to indicate it is not malignant. However, SEER's previous answer stated we should report these tumors because the ICD-O-3 definition of carcinoid is 8240/3. Do you think that the mention of the term "benign" in the pathology report is actually related to the size of this lesion? Is the reference to benign mucosal endocrine proliferation referring to the WHO classification (making the case reportable as stated in SINQ 20160011), or is this a situation in which we should apply the Matrix Rule and the case is nonreportable?

Does ductal carcinoma with tubular features qualify for Breast MP/H Rule H28? Or, is it more appropriate to strictly follow Table 2 (not a type of ductal tumor) and apply Rule H29, thus losing the lobular component?

This diagnosis is not listed in the ICD-O-3 though it is listed as code 9509/1 for this specific tumor in the 2007 WHO classification of Tumours of Central Nervous System. (See link:  http://link.springer.com/article/10.1007/s00401-007-0243-4/fulltext.html.)

SINQ 20081076 states carcinoid tumorlets of the lung are not reportable and are defined as being less than 5 mm in diameter and benign. Per the WHO Classification of Digestive Tumours, microcarcinoid tumors are precursor lesions/nodules measuring greater than 0.5 mm, but less than 5 mm (0.5 cm). Is the term microcarcinoid tumor equivalent to carcinoid tumorlet, and therefore not reportable? Or is a microcarcinoid tumor a reportable type of neuroendocrine tumor (NET)?

The SEER*Rx Database lists Sirolimus as an ancillary agent under the Category section, but as an mTOR inhibitor under the Subcategory. The Remarks section indicates Sirolimus (AKA Rapamycin) is an immunosuppressant, but is also a type of serine/threonine kinase inhibitor. Other types of kinase inhibitors (including Temsirolimus) are types of Chemotherapy. Although the Coding section states this drug should not be coded, Primary Sites (NSCLC and glioblastoma) are listed for this drug.

The SEER*Rx Database page for this drug is confusing. Please address the following.

1) Should Sirolimus not be coded when it is being given as a kinase inhibitor or an immunosuppressant?

2) If Sirolimus is ever treatment, should it be coded only for the primary sites listed?

3) If Sirolimus is given as part of a non-blind clinical trial for another site other than NSCLC or glioblastoma, should the Other Therapy field be coded to 2 [experimental - other treatment]?