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Report Produced: 03/01/2026 08:26 AM

Report Question ID Question Discussion Answer Year
20100015

Type of Multiple Tumors/Multiplicity Counter--Breast. Are the data items "Type of Multiple Tumors Reported as One Primary" and "Multiplicity Counter" related? How should they be coded for breast cases in which there are multiple measured invasive tumors, plus DCIS which is not measured nor stated whether it is separate from the invasive tumors? See Discussion.

For example, path report states only "multifocal invasive ductal carcinoma, 1.5 cm and 0.8 cm, and low-grade DCIS." The Multiplicity Counter instructions tell us to ignore/do not count foci that are not measured. Should we interpret this to mean, count only the two invasive foci and ignore the DCIS? Should Type of Multiple Tumors then be coded 30 or 40, because only the invasive tumors are coded in Multiplicity Counter? Code Type of Multiple Tumors 30 [in situ and invasive]. The code in Type of Multiple Tumors may or may not reflect the tumors that were counted in Multiplicity Counter. For this case, it is correct to code 02 in multiplicity counter. 2010
20100024

Histology: How is this field coded for a perivascular epithelioid cell neoplasm (PEComa) of uncertain malignant potential that is malignant based on the presence of metastases? See Discussion.

In 11/2006 the patient had surgery for a 6cm mass in the RUQ arising in the falciform ligament. The pathologic final diagnosis was: Perivascular epithelioid cell neoplasm (PEComa) of uncertain malignant potential. In 10/2009 a liver biopsy showed metastatic perivascular epithelioid cell neoplasm.

Assign histology code 8005/3 [malignant clear cell tumor]. According to our expert pathology consultant, this is the best histology code available at this time for the occasional tumor which is designated as malignant. The appearance of metastatic disease clearly defines this case as malignant.

 2010
20100014 Reportability: Are there criteria other than a pathologist or clinician's statement that a registrar can use to determine reportability of gastrointestinal stromal tumors (GIST)? See Discussion.

Per SINQ 20091021 and 20021151, GIST cases are not reportable unless they are stated to be malignant. A pathologist or clinician must confirm the diagnosis of cancer. There are cases that are not stated to be malignant in the pathology report or confirmed as such by a clinician; however, these cases do have information that for other primary sites would typically be taken into consideration when determining reportability. The final diagnosis on the pathology report for all 16 cases is "GIST." The additional comment(s) for each of the 16 different cases is reported below. Are any of the following cases reportable?

1) Pathology report indicates that the bulk of the tumor is submucosal. It extends through the muscularis propria and abuts the serosa.

2) Pathology report states tumor extends to serosal surface of transverse colon, but not into muscularis propria. CD 117 and CD 34 are positive.

3) Pathology report indicates that tumor invades through the gastric wall to the serosal surface.

4) Pathology report indicates that tumor invades pericolic fat tissue.

5) No further information in pathology report, however, scans indicate omental caking.

6) No further information in pathology report, however, scans indicate hepatic metastases. Hepatic metastases are not biopsied.

7) Tumor stated to be unresectable and extends into pancreas. Chemotherapy given.

8) Pathology report states tumor is low to intermediate grade and involves serosal (visceral peritoneum).

9) Tumor size is 17.5 cm. Pathology report states "malignant risk".

10) Pathology report states tumor "into muscularis propria" or tumor "involves muscularis propria" or "infiltrates into muscularis propria".

11) Pathology report states, "high malignant potential; omentum inv by tumor." It is not stated in path report or final diagnosis to be malignant GIST.

12) Pathology report states that tumor arises from wall of small bowel and extends into thin serosal surface.

13) Pathology report states minimal invasion of lamina propria; does not penetrate muscularis propria.

14) Pathology report states, "high mitotic activity >10/50 HPF; high risk for aggressive behavior; moderate malignant potential."

15) Pathology report states tumor size is >5 cm. Intermediate risk for aggressive behavior; CD117+ KIT exon 11+.

16) Pathology report states "high risk of malignancy."

 For GIST to be reportable, the final diagnosis on the pathology report must definitively state that the GIST is malignant, or invasive, or in situ. Case 6 is the only exception. It would be reportable assuming the scan actually states "hepatic metastases." Based only on the information provided, none of the other examples are reportable. The type of extension and/or invasion mentioned in the other examples are not sufficient to confirm malignancy. Borderline neoplasms can extend and invade, but do not metastasize. Only malignant neoplasms metastasize. 2010
20100092 Primary site--Heme & Lymphoid Neoplasms: Should the primary site for the follicular lymphoma diagnosis be coded to C779 [Lymph nodes, NOS] when a bone marrow biopsy reveals both acute myeloid leukemia and follicular lymphoma? See Discussion. Bone marrow biopsy reveals acute myeloid leukemia and follicular lymphoma. There were no other studies done, no chemo given, and the patient expired shortly after diagnosis. Should the follicular lymphoma be coded to a primary site C779 [Lymph nodes, NOS]?

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

Code the primary site to C421 [bone marrow]. Per Rule PH26, bone marrow is the primary site when lymphoma is present only in the bone marrow. All the available physical exams, scans, and other work-up must also be negative for lymph node, tissue, or organ involvement. When there is no additional workup beyond the bone marrow biopsy and that biopsy is positive, code the primary site to bone marrow in those situations as well.

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
20100098 Primary site/Histology--Heme & Lymphoid Neoplasms: How are these fields coded for a 2008 diagnosis of small B cell leukemia, most consistent with mantle cell leukemia that only involved the bone marrow? See Discussion. A bone marrow biopsy was done on 6/18/2008 and showed only small B cell leukemia, most consistent with mantle cell leukemia. ICD-O-3 does not list a histology code for small B cell leukemia or mantle cell leukemia.

Code the histology to 9673/3 [mantle cell lymphoma] and the primary site to C421 [bone marrow].

Mantle cell lymphoma can present in a leukemic phase. The only code available is for mantle cell lymphoma and the only primary site that could be coded would be bone marrow.

2010
20100011

Reportability: Should a benign gangliocytic paraganglioma [8683/0] be a reportable (malignant) tumor based on the presence of lymph node metastases? See Discussion.

"Resection, periampullary duodenum: Gangliocytic paraganglioma, with metastasis to one large periduodunal lymph node. Six other small lymph nodes negative. COMMENT: The primary tumor in the duodenum is made up mainly endocrine cell component. This component appears to have metastasized to a periduodenal lymph node."

This neoplasm is reportable because it is malignant as proven by the lymph node metastases. Code the behavior as malignant (/3) when there are lymph node metastases.

 2010
20100046

Heme & Lymphoid Neoplasms: Is a clinical remission sufficient to change the tumor status to "disease free" for a patient on long-term chemotherapy for a diagnosis of either a chronic hematologic disease, such as CML, or a myeloproliferative disorder, such as essential thrombocythemia? See Discussion.

For some patients with chronic hematologic diseases, the disease/recurrence status could change frequently as chemotherapy is started and stopped over an extended period of time. Should the tumor status for these cases always be "not disease free"? When the physician documents the patient is in clinical remission, does their status change to "NED or disease free?" There seems to be a lot of variation across the US in how registrars are coding this field. Clarification would be appreciated.

The term "disease free" is not used in a standard fashion for hematopoietic and lymphoid neoplasms.

Code the cancer status to free of disease when the physician indicates NED. For hematopoietic and lymphoid neoplasms, a physician's statement of NED, disease-free, clinical remission or no evidence of disease at this time, should be recorded with cancer status to disease free. The term "disease free" or NED means that there is no clinical evidence of disease.

2010
20100041

Reportability--Heme & Lymphoid Neoplasms: Are "anemia of chronic disorders" or "hemolytic anemia" reportable given that a search of the Hematopoietic Database returns many different reportable conditions but no exact terminology match for either diagnosis? See Discussion.

Searching the Heme Database for the term ANEMIA OF CHRONIC DISORDERS yields 71 results. However, none of the results match the terminology entered, yet all 71 "matched terms" are reportable. Is this diagnosis reportable?

Another example is HEMOLYTIC ANEMIA. The search results showed 28 "matched terms" which are all reportable, but none are exact matches.

Please clarify how we should interpret the results of these searches when using the Heme Database.

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

Neither diagnosis is reportable. Anemia of chronic disorder or disease is seen when a patient has a chronic immune disorder or a malignancy; the anemia itself is not a malignancy. Hemolytic anemia can be caused by many conditions, but is not malignant.

The problem you are having using the Heme DB is that you are searching for the entire term such as "anemia of chronic disorder." The DB search engine is not the same as those used in Google or other widely used internet search engines. The words lymphoma, leukemia, etc. are so common in the DB that the traditional search is not effective.

In order to make your search easier, search on a unique word. For example, for "anemia of chronic disorder" search on the words (use the quotes) "anemia of" and for the term hemolytic anemia, search on "hemolytic" By using the unique word search you will cut down on the number of terms displayed. If you do get several terms, click on "Name" in the header and all of the results will be alphabetized for quick identification. You may also use the "diseases matching any term" or the "disease match all terms" options to narrow down the results when searching the whole term phrase.

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
20100079 Reportability--Heme & Lymphoid Neoplasms: Does the fact that the Hematopoietic Database states the ICD-O-3 code 9970/1 [Lymphoproliferative disorder/disease, NOS] mean that the ICD-O-3 books should be updated to indicate that as of 2010 the code 9970/1 [Lymphoproliferative disorder/disease, NOS] is no longer applicable?

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

Lymphoproliferative disorder/disease, NOS [9970/1] is not a reportable neoplasm. There are also new codes that define lymphoproliferative disorder/disease more specifically. If you do a "smart search" and enter only the word "lymphoproliferative" into the Heme DB, you will get a listing of all of the reportable and non-reportable terms. That enables you to look at your record and compare the words in the Heme DB to those in the record you are reviewing.

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
20100057 First course treatment--Heme & Lymphoid Neoplasms: Is the use of the corticosteroid, Clobetasol, cancer-directed treatment for mycosis fungoides or is it only used to treat the side effects of that disease?

Clobetasol is not cancer-directed treatment at this time.

Note: Question originally submitted in 2010. During 2014 review, this was checked and Clobetasol is still not cancer directed treatment for Mycosis Fungoides.

2010