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Report Produced: 02/11/2026 14:00 PM

Report Question ID Question Discussion Answer Year
20081034 Race, Ethnicity/Spanish Surname or Origin: Which Spanish Surname List (from 1980 census or 1990 census) would SEER prefer us to use to code 7 in Spanish Surname or Origin? See Discussion. In the SEER coding manual, it refers to "a list of Hispanic/Spanish names" (5e), but does not specify which one to use. Again, for the Computed Ethnicity field, which Spanish Surname List does SEER prefer us to use? Determine which list is better suited for your geographic area. If the 1990 list is used, determine the probability cut-off that seems most reasonable for your geographic area. 2008
20081041 MP/H Rules/Histology--Thyroid: How many primaries are to be reported and what histology is to be coded for an anaplastic/undifferentiated thyroid carcinoma with sarcomatoid transformation likely arising in association with a papillary thyroid carcinoma? Thyroid contains one tumor: 12.5 cm in greatest dimension...almost completely replaces entire thryroid gland.

For cases diagnosed 2007 or later:

This is a single primary using rule M2; a single tumor is always a single primary.

The histology code for this case is 8260/3 [Papillary carcinoma of thyroid]. Begin with Histology Coding rule H8. Stop at rule H17 and code the histology with the numerically higher ICD-O-3 code.

 2008
20081008 Surgery of Primary Site--Breast: How is this field coded when a re-excision follows a prior mastectomy?

Code the most extensive surgery in Surgery of Primary Site. This is a cumulative field. Assign the appropriate code including all surgeries of the primary site performed during the first course of treatment.

The correct code for mastectomy followed by re-excision will depend on the extent of the re-excision. For example, if the re-excision removed muscle, code radical mastectomy.

 2008
20081051 MP/H Rules/Histology--Prostate: Path said adenocarcinoma of the prostate with an endometroid adenocarcinoma component. What histology code is used?

For cases diagnosed 2007 or later:

Assign code 8500 [duct carcinoma].

According to The World Health Organization (WHO), the term endometrioid carcinoma of the prostate is now called Prostate Duct Carcinoma.

Using Rule H11 (one type), code 8500 (duct carcinoma) for this rare type of tumor. Do not stop at Rule H10 because this is not acinar.

 2008
20081130 MP/H Rules--Breast: What histology code is used for lobular with focal ductal features? Do we ignore the focal features and code as lobular or do we use the combination code for duct and lobular? For cases diagnosed 2007 or later, use rule H14 and assign code 8520 [lobular]. Ignore histologies described as "focal," "foci," or "focus." This instruction will be added to the next version of the MP/H manual. 2008
20081095 Race, ethnicity/Spanish surname or origin: If birthplace is Brazil or Portugal, patient's last name is on the Spanish Surname list, and there is no text to further clarify ethnicity, what is the correct Spanish Ethnicity code: 0 or 7? See Discussion. See also SINQ 20081075.

Assign code 7 [Spanish surname only] when the last name is on the Spanish Surname list. This includes cases for which the birthplace is Brazil, Portugal or the Philippines and there is no text to further clarify ethnicity.

The instruction to use code 0 [Non-Spanish/Non-Hispanic] in the SEER manual on page 51 (#2) applies when the only information available is the birthplace or a statement of "Portuguese," "Brazilian" or "Filipino."

 2008
20081138 MP/H Rules/Histology--Lung: What is the correct histology code for a neuroendocrine neoplasm described as a carcinoid and also referred to as oncocytic? See Discussion.

Left mainstem bronchus mass excised: metaplastic endobronchial mucosa with submucosa containing an infiltrating poorly diff malignant tumor. Origin of tumor is not identified in overlying mucosa. IHC stains will be performed.

Addendum #1. IHC stains show well diff neuroendocrine neoplasm, favor carcinoid. Recommend sending this to expert in lung neoplastic pathologist.

Addendum #2. (lung path specialist) oncocytic neuroendocrine neoplasm.

Is this 8246 or 8290 or something else?

 For cases diagnosed 2007 or later, code as 8246 [Neuroendocrine carcinoma, NOS]. According to our pathologist consultant, the neuroendocrine description is more specific than the oncocytic description in this case. 2008
20081097 DCO/Systemic Treatment, Surgery Sequence: How does SEER want systemic treatment/surgery sequence coded for a DCO case?

Assign code 0 [No systemic therapy and/or surgical

treatment] as a default for DCO cases.

 2008
20081068 Scope Regional LN Surgery--Melanoma: How is this field coded when there is no primary skin lesion and the only disease present is one axillary lymph node that reveals melanoma? See Discussion. According to SINQ 20061045, the CS Lymph Node field is coded to 80. Code scope of regional LN surgery 4 [1 to 3 regional lymph nodes removed] for this case. One lymph node was removed. For this case, the axillary lymph node is coded as regional for the CS Lymph Node field. Therefore, include this lymph node is also coded in the Scope of Regional LN Surgery field. 2008
20081123 Reportability--Brain: Is angiocentric glioma, WHO grade 1 of the right frontal lobe reportable? If so, how is histology to be coded?

Angiocentric glioma is reportable. The best histology code currently available is 9380/1 [glioma, NOS; uncertain behavior].

According to the WHO Classification of Central Nervous System Tumours, Angiocentric glioma has a behavior of /1. WHO defines it as an epilepsy-associated stable or slowly growing cerebral tumour primarily affecting children and young adults; histopathologicaly characterized by an angiocentric pattern of growth, monomorphous bipolar cells and features of ependymal differentiation.

 2008