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Report Produced: 10/21/2025 22:34 PM

Report Question ID Question Discussion Answer Year
20071065 MP/H Rules/Multiplicity Counter--Lung: If metastatic tumors are not counted in this field, should the multiplicity counter be coded to 01 for a case with a primary left lower lobe of lung tumor with a satellite tumor in the left upper lobe?

For cases diagnosed 2007-2013:

No, code multiplicity counter to 02 [two tumors present]. According to the multiple primary rules, these two lung tumors are reported as a single primary. Record the number of tumors reported as a single primary in Multiplicity Counter.

Multiplicity Counter no longer required by SEER as of 1/1/2013.

 2007
20071048 MP/H Rules/Histology--Breast: If the abstractor only has the CAP protocol information from a pathology report and it does not include a "final diagnosis" label, which fields of the protocol are used to determine the histology and whether there is carcinoma in situ present in the specimen? For cases diagnosed 2007 or later, if the CAP protocol is used in lieu of a final diagnosis, use all of the information in the CAP protocol. 2007
20071119 CS Eval/Surgery of Primary Site--Colon: When the only procedure performed is a polypectomy, if there is NO tumor at the margins, should CS TS/EXT-Eval be coded as 3 and the surgery coded as a polypectomy?

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.Assign eval code 3. A polypectomy with no tumor at the margin meets the criteria for pathologic staging.

Code polypectomy in Surgery of Primary site in this case.

 2007
20071120 Surgery of Primary Site--Breast: Should code 51 (Modified radical mastectomy without removal of uninvolved contralateral breast) be used when a patient has excisional biopsy (22) and axillary dissection followed by a simple mastectomy without removal of uninvolved contralateral breast (41) as part of the first course of treatment?

Assign code 51 or 52 if a patient has an excisional biopsy and axillary dissection followed by a simple mastectomy during the first course of therapy. Code the cumulative result of the surgeries, which is a modified radical mastectomy in this case.

SEER collects only one surgery code per case. Code the most invasive, extensive or definitive surgery in Surgery of Primary Site.

 2007
20071039 Histology--Hematopoietic, NOS: If an initial bone marrow diagnosis is "...more compatible with CMML/MPD" and within three months the final diagnosis per the oncologist is "MPD/CMML with acute myeloid leukemia transformation," is histology coded to CMML or AML? See Discussion.

09/06 BM Bx elsewhere was "compatible with MDS but more compatible with CMML/MPD" per MD notes.

10/06 BM Bx "...poor prognosis MDS, best classified as RAEB-2"

11/06 BM Bx "myeloproliferative CMML with leukemic transformation"

(on evaluation for BMT)

12/12/06 Pt was admitted with rapidly progressive disease & was started on chemo to try to get into remission for BMT. Final dx by oncologist is "MPD/CMML with acute myeloid leukemia transformation".

For cases diagnosed prior to 1/1/2010:Code CMML for this case. Code the histology at initial diagnosis. This patient had rapid progression, but the initial diagnosis was "more compatible with CMML/MPD."

For cases diagnosed 1/1/10 and later, 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.

 2007
20071074 MP/H Rules/Multiple Primaries--Lung: How many primaries should be reported when an "adenocarcinoma" is discovered in one of several new nodules at the scar in a lung and it is less than a year after a wedge resection for a diagnosis of "bronchioalveolar adenocarcinoma" in the same lung? See Discussion.

In March 2006 patient diagnosed with bronchioalveolar adenocarcinoma [8250/3] and had wedge resection. In November 2006 a CT chest shows nodules at the scar suspicious for recurrence. In January, 2007, there was a biopsy of one of the nodules showing adenocarcinoma [8140/3].

Is this part of the original disease process diagnosed in March 2006 or should it be abstracted as a new primary based on 2007 MP/H rules (histology is different at the first 3 digits)?

For cases diagnosed 2007 or later:

Try to obtain more information/clarification on the 2007 diagnosis -- for example, is it metastasis?

Based only on the information provided for this case, the 2007 diagnosis is a separate primary.

Use the 2007 MP/H rules to assess the 2007 diagnosis. Begin with rule M3 in the multiple tumors section. Stop at rule M11, multiple primaries.

 2007
20071040 MP/H Rules/Multiple Primaries--Melanoma: Is there a difference between multiple primary rules M6 and M7 because both rules state that tumors occurring more than 60 days apart are to be reported as multiple primaries? See Discussion.

Rule M6 clearly states that an invasive melanoma occurring more than 60 days after an in situ melanoma is a multiple primary. However M7 states that any melanomas diagnosed more than 60 days apart are multiple primaries. Since M7 does not state malignant melanomas diagnosed more than 60 days apart, this implies that any scenario:

in situ following an invasive,

invasive following an in situ,

in situ following an in situ,

or invasive following an invasive

are all multiple primaries if more than 60 days apart. If that is the intent of M7, then M6 is totally unnecessary. If the intent of M7 is only for an invasive following an invasive, then the word malignant needs to be inserted as the first word of rule M7.

For cases diagnosed 2007 or later, M7 is intended to apply to in situ and invasive melanomas. Therefore, M6 and M7 are repetitive.

This will be corrected when revisions are made to the MP/H rules. In the meantime, both M6 and M7 result in multiple primaries so it does not matter which rule is used.

 2007
20071022 Reportability--Hematopoietic, NOS: If the bone marrow biopsy diagnosis is not reportable and cytogenetics studies indicate no clonal abnormality, is a case reportable if only the flow cytometry results show a "small monoclonal B-lymphocyte population consistent with a lymphoid component of a lymphoplasmacytic lymphoma or Waldenstrom macroglobulinemia"? See Discussion.

Bone marrow bx final diagnosis: Markedly hypercellular marrow consisting primarily of erythroid hyperplasia and, also, diffusely distributed small lymphocytes. Addendum comment: Flow cytometry demonstrated a small monoclonal B-lymphocyte population consistent with a lymphoid component of a lymphoplasmacytic lymphoma or Waldenstrom's Macroglobulinemia. Addendum comment: Cytogenetic analysis states no clonal abnormality was apparent. Normal female karyotype.

Question 1: Is this case reportable, and if so, what histology?

Question 2: Is there a hierarchy when flow cytometry and cytogenetics are done, but do not agree?

For cases diagnosed prior to 1/1/2010:This case is not reportable at this point. A lymphoid component is not equivalent to a diagnosis of a reportable disease. In order to be a malignant, reportable disease, the condition must be monoclonal and irreversible. Cytogenetics were negative for malignancy (i.e. no monoclonal abnormality identified which is the criteria used to establish this diagnosis). Use all information available when determining reportability.

For cases diagnosed 1/1/10 and later, 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.

 2007
20071102 Systemic/Surgery Sequence--Breast: How is this field coded for a breast cancer patient treated with a lumpectomy followed by chemotherapy and then a mastectomy? Assign code 2 [Systemic therapy before surgery]. The code in Systemic Treatment/Surgery Sequence is related to the surgery coded in Surgery of Primary Site. For SEER, the mastectomy will be coded in the surgery field. The chemotherapy occurred before the mastectomy. 2007
20071029 CS Lymph Nodes--Kidney, renal pelvis: Under what circumstances would code 80 [Lymph nodes, NOS] be used to document the presence of positive lymph nodes? See Discussion. The CS Schema for Kidney (Renal Parenchyma) states to use code 70 for Regional Lymph Nodes, NOS. The schema for for Renal Pelvis states to use code 50 for Regional Lymph Nodes, NOS. Both schemas have a Code 80, for Lymph Nodes, NOS that maps to N1 in both schemas.

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 80 can be used for positive lymph nodes when you are unable to determine if they are regional or distant. CS Lymph Nodes code 80 is provided for this situation in accordance with the downstaging rule.

Code 80 should be used very infrequently and only when there is no indication whether the involved lymph nodes are regional or distant.

 2007