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Report Produced: 05/07/2026 14:20 PM

Report Question ID Question Discussion Answer Year
20061029

Recurrence (Pre-2007)--Colon: When there is no statement of recurrence on the abstract, is a colon tumor at the anastomosis site a recurrence of the previous colon cancer or a new primary?

For tumors diagnosed prior to 2007:

If the cancer at the anastamosis site is more than two months after the previous colon cancer, abstract as a separate primary.

If the cancer at the anastamosis site is within two months of the original diagnosis and the histologies are the same, do not abstract as a separate primary.

For tumors diagnosed 2007 or later, refer to the MP/H rules. If there are still questions about how this type of tumor should be coded, submit a new question to SINQ and include the difficulties you are encountering in applying the MP/H rules.

 2006
20061144 Date of Diagnosis/Histology--Hematopoietic, NOS: How are these fields coded if a 3/17/03 bone marrow biopsy diagnosis of "malignant proliferative disorder" is subsequently confirmed to be a "low grade lymphoma" per a bone marrow biopsy in early 2006? See Discussion.

3-17-03: Bone marrow biopsy from rt iliac crest: Hypercellular marrow (90%) with extensive involvement by lymphoproliferative disorder (see description). Micro: The bone marrow is diffusely (>90%) involved by a malignant lymphoproliferative disorder. This consists of small lymphocytes,histiocytes, and large atypical cells with prominent nucleoli.

12-22-05 Extensive bone marrow involvement by lymphoproliferative disorder, bone biopsy from femur.

1-27-06 Hem/Onc Physician Note:

following pt for a lymphoproliferative disorder. ...bone marrow biopsy 2003, suggestive of, but not truly diagnostic, a lymphoproliferative disorder. Therefore, I elected not to do anything, but just follow her.

3-23-06 Hem/Onc Note:

pt with a history of an apparently low-grade lymphoma involving the marrow, as well as, I believe, the liver and recently pathologically diagnosed as a T-cell-rich B-cell lymphoma. ...followed in the past by Dr. ___ and has never actually had any treatment for this lymphoma, although it is documented even three years ago by bone marrow biopsy.

For cases diagnosed prior to 1/1/2010:

Code the diagnosis date to 3/17/03. The histology code is 9970/3 [Malignant myeloproliferative disorder]. The bone marrow biopsy confirms a "Malignant" lymphoproliferative disorder. Apply ICD-O-3 rule F and assign /3 to histology code 9970.

For cases diagnosed 2010 forward, refer to the Hematopoietic and Lymphoid Neoplasm Case Reportability and Coding Manual and the Hematopoietic Database (Hematopoietic DB) provided by SEER on its website to research your question. If those resources do not adequately address your issue, submit a new question to SINQ.

 2006
20061075 Multiple Primaries--Lymphoma: Is a diagnosis of mycosis fungoides followed a year later with a biopsy proven diagnosis of anaplastic large T-cell lymphoma stated to represent a transformation of the previous mycosis fungoides reportable as one or two primaries?

For cases diagnosed prior to 1/1/2010:

This is one primary. Code the histology according to the original diagnosis, mycosis fungoides. The physician states that this one disease process started as mycosis fungoides and progressed into lymphoma. A physician's statement has priority over other sources in determining the number of hematopoietic primaries.

In October 2006, a committee will begin working on multple primaries among hematopoietic diseases. The committee will provide further guidance on dealing with disease transformation and other issues.

For cases diagnosed 2010 forward, refer to the Hematopoietic and Lymphoid Neoplasm Case Reportability and Coding Manual and the Hematopoietic Database (Hematopoietic DB) provided by SEER on its website to research your question. If those resources do not adequately address your issue, submit a new question to SINQ.

 2006
20061139 CS Lymph Nodes--Lung: Do modifying terms such as "borderline" affect whether lymph nodes are coded as involved when they are used in conjunction with the descriptors listed in Note 2 (i.e., mass, adenopathy or enlargement) for lung primaries? See Discussion. Lung primary: CT states "borderline" enlarged hilar lymph nodes. Note 2 in the Lung schema under CS Lymph Nodes does not address qualifiers.

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.

Do not code the hilar lymph nodes as involved in this case. "Borderline" enlarged hilar lymph nodes do not meet the clinical criteria for enlargement.

 2006
20061105 CS Extension--Bladder: Can the physician TNM be viewed as a clarifying statement when it provides information not documented elsewhere in medical record as in the example of a pathology report for bladder primary that demonstrates extension into bladder muscle, NOS but the physician documented TNM notes a more definitive T code for depth of muscle invasion? See Discussion.

In the Collaborative Stage manual in general instructions this guideline exists:

"The extent of disease may be described only in terms of T (tumor), N (node), and M (metastasis) characteristics. In such cases, assign the code in the appropriate field that corresponds to the TNM information. If there is a discrepancy between documentation in the medical record and the physician's assignment of TNM, the documentation takes precedence..." (Similar to language to use SEER information over TNM).

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.Yes, you may code CS extension using the physician assigned "T" when it provides information not found elsewhere in the medical record.

 2006
20061110 Histology (Pre-2007)--Head & Neck: How is a "sinonasal undifferentiated carcinoma (SNUC)" coded?

For tumors diagnosed prior to 2007:

Code histology to 8020 [carcinoma, undifferentiated]. "Sinonasal" refers to anatomic location of primary site not histology.

For tumors diagnosed 2007 or later, refer to the MP/H rules. If there are still questions about how this type of tumor should be coded, submit a new question to SINQ and include the difficulties you are encountering in applying the MP/H rules.

 2006
20061006 Multiple Primaries (Pre-2007)/Histology (Pre-2007)--Testis: If an orchiectomy specimen contains non-seminomatous mixed germ cell tumor and a separate satellite of seminoma, how many tumors should be abstracted and how should the histology field(s) be coded? Pathology: R Orchiectomy: 2.1 cm non-seminomatous mixed germ cell tumor (50% teratoma primarily mature, 50% embryonal CA and yolk sac tumor). Located 3cm from the main tumor is a 2mm satellite pure seminoma.

For tumors diagnosed prior to 2007:

This is a single primary because the first three digits of the ICD-O-3 histology codes are the same, according to Rule 3a on page 11 of the 2004 SEER manual. Code the histology 9065 [Germ cell tumor, nonseminomatous]. Code 9065 is preferred over the less-specific code of 9061 [Seminoma, NOS].

For tumors diagnosed 2007 or later, refer to the MP/H rules. If there are still questions about how this type of tumor should be coded, submit a new question to SINQ and include the difficulties you are encountering in applying the MP/H rules.

 2006
20061091

Reportability--Ovary: Is an "aggressive adult granulosa cell tumor with one of two lymph nodes positive for metastatic granulosa cell tumor" reportable?

Malignant granulosa cell tumor is reportable. The case described above is malignant as proven by metastasis to the lymph node.

 2006
20061092 CS Tumor Size--Breast: Should this field be coded to 999 [Unknown] or 008 [0.8 cm tumor] when the tumor size is not provided on a stereomammotomy biopsy for an in situ malignancy and a subsequent excision demonstrates 0.8 cm tumor of residual in situ disease?

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.

Code CS tumor size 008 [0.8cm]. A mammotomy specimen is very small, so for this case, the residual tumor size is quite accurate. Size is not a critical data element for in situ breast cancer.

 2006
20061033

Reportability--Brain and CNS: Is benign neural tissue compatible with a glioneuronal hamartoma of the cerebellopontine angle reportable?

No. A glioneuronal hamartoma is not neoplastic and not reportable. See page 2 of the 2004 SEER Program Coding and Staging manual for the list of reportable brain/CNS tumors. There is no ICD-O-3 code for hamartoma.

 2006