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Report Produced: 02/25/2026 20:17 PM

Report Question ID Question Discussion Answer Year
20071084 MP/H Rules/Histology--Prostate: How is an "acinar adenocarcinoma with focal large duct adenocarcinoma" coded?

For cases diagnosed 2007 or later:

As long as this is NOT urothelial carcinoma extending to the prostatic ducts, code histology to 8140/3 [adenocarcinoma] using rule H10.

Do not code histologies designated as "focal."

 2007
20051024 Primary Site--Corpus uteri: Should a leiomyosarcoma be coded to the site of "uterus" or "myometrium"? Code the primary site of a uterine leiomyosarcoma to C542 [Myometrium]. 2005
20071127 Multiplicity Counter--Breast: How should the multiplicity counter be coded for a 3.8 cm infiltrating duct carcinoma with two "satellite nodules" measuring 5 mm and 7mm that are not described as either metastases or multiple foci? Include these nodules in the multiplicity counter because they are measured and are part of the final diagnosis on the pathology report. 2007
20200028

EOD 2018/EOD Primary Tumor/EOD Mets--Lung: Is EOD Primary Tumor coded to 500 and EOD Mets 10 when there are bilateral lung nodules with nodules in same lobe as the primary tumor? How is EOD Primary Tumor coded when separate tumor nodes are in an ipsilateral lung but there is no documentation as to whether it is in the same or different ipsilateral lobe from the primary tumor?

Assign 999 to EOD Primary Tumor if this is the only information you have for your case.The mention of nodules does not automatically mean that you have separate tumor nodules. There are many reasons for the appearance of nodules in the lung, some of which are not due to cancer. Unless you have further information on whether the physician has determined that they are related to the lung cancer, then assume that they are not related.

Assign 00 to EOD Mets. Do not code EOD Mets to 10 since you cannot determine whether those nodules are based on the tumor or not.

If you are able to obtain more information, then you can update the EOD Primary Tumor and EOD Mets.

Regarding the second question, if separate tumor nodules are noted, you cannot assume that they are due to tumor. Further information, or clarification, is needed on whether the separate tumor nodules are related to the lung cancer. Without further information, code EOD Primary Tumor to 999.

There is also some information in the CAnswer Forum since Separate Tumor Nodules are a Site-Specific Data Item: http://cancerbulletin.facs.org/forums/forum/site-specific-data-items-grade-2018/96061-lung-separate-tumor-nodules

 2020
20190048

Reportability/Histology--Skin: Is malignant hidroacanthoma simplex of the scalp reportable? If so, what is the histology?

Malignant hidroacanthoma simplex of the scalp is reportable. Malignant hidroacanthoma simplex is a synonym for porocarcinoma, 8409/3.

 2019
20051144 CS Lymph Nodes: Are lymphatic channels/vessels within an organ coded as regional lymph nodes?

This answer was provided in the context of CSv1 coding guidelines. The response may not be used after your registry database has been converted to CSv2.Lymphatic channels/vessels carry lymph fluid throughout the organs and tissues of the body. Lymph channels/vessels within an organ are not nodes. Lymph channels/vessels outside an organ are not nodes.

 2005
20010026 MP/H Rules/Histology--Prostate: What code is used to represent the histology "adenocarcinoma, microacinar type"?

For cases diagnosed 2007 or later:

Assign code 8140 [adenocarcinoma, NOS]. See the MP/H rules for Other Sites, histology coding rule H10.

 2001
20031175

First Course Therapy: Are radio immune labeled antibodies, such as Bexxar [Tositum--I-131] coded as immunotherapy, radiotherapy, or experimental therapy?

Agents such as Bexxar or Zevalin are radioisotopes and coded as radiation. These agents destroy cancer cells with radiation. 2003
20100070 Histology--Heme & Lymphoid Neoplasms: How is this field coded for a follicular lymphoma, grade 2 of 3, predominantly nodular?

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

Code histology to 9691/3 [Follicular lymphoma, grade 2]. Nodular lymphoma is an obsolete term once used to describe follicular lymphoma. (See Appendix A, Table A3)

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.

2010
20130210

Primary site--Heme & Lymphoid Neoplasms: Does Rule PH27 apply meaning that primary site is coded to C809 or would it be more appropriate to code to C269 GI Tract NOS since all disease involves the GI tract and this is more specific?

Extranodal lymphoma first diagnosed in the stomach (fundus and antrum) which upon further investigation also involved the small bowel (MALT Lymphoma) in the absence of lymph node findings. MD staged this IIE. Initial thought was Gastric, but PET/CT indicated abnormal uptake involving loop of distended small bowel in the pelvis.

Assign C269 for Gastrointestinal tract, NOS. Apply Rule PH24, code to the organ when only an organ is involved. This rule can be used for NOS sites such as GI tract, NOS.

Based on the information provided, this lymphoma is confined to the GI tract -- stomach and small bowel.

2013