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Report Produced: 07/27/2025 06:53 AM

Report Question ID Question Discussion Answer Year
20091051 MP/H Rules/HistologyCorpus Uteri: How should histology be coded for a "carcinosarcoma with high grade sarcomatous component within a polyp, with greater component of endometrioid carcinoma and foci papillary serous carcinoma within polyp"? For cases diagnosed 2007 or later, assign code 8980/3 [Carcinosarcoma] according to rule H17. Rule H12 does not apply since the final diagnosis is not "adenocarcinoma." 2009
20091050 Date of Multiple Tumors--Breast: How is this field coded when a second breast tumor is found at mastectomy two months after the original breast cancer was diagnosed, but during initial workup and treatment? See Discussion. Breast cancer was diagnosed on core biopsy on 02-27-07. It was not known that the breast was harboring 2 tumors until mastectomy was done on 4-01-07. Both tumors are counted as one primary. Code "Date of Multiple Tumors" field to the date of the mastectomy. That is the date that multiple tumors were discovered. 2009
20091049 P/H Rules/Multiple Primaries--Lung/Breast: Can we assume that a current tissue specimen is a recurrence of previous primary if a pathologist states that he has compared the current specimen with the slides from the prior tumor and concludes that the current tumor is "similar" to a previous tumor? See Discussion.

The MP/H rule general information section states that we do not accession a second primary unless a pathologist compares the current tumor to the original tumor and states that the current tumor is a recurrence of cancer from the previous primary. In our experience it is rare that a pathologist speaks so bluntly. They frequently hedge somewhat.

Are the following statements worded strongly enough for us to make the assumption that the current tumor is a recurrence of patient's previous cancer?

Example 1: Pathologist states: Patient's prior lung tumor reviewed. The tumor in the current case (left lower lobe) shows similarities to some areas of the patient's prior left lower lobe tumor.

Example 2: Pathologist states: The focus of ductal carcinoma in the mastectomy specimen does resemble the carcinoma in the previous partial mastectomy specimen. (Slides reviewed).

All pathologists do not use words in the same way. Therefore, we will not provide a list of specific words to accept or not to accept in order to determine recurrence. For cases diagnosed 2007 or later, do not base your decision about recurrence on words such as "similar" or "resembles." If the pathologist believes two or more tumors are the same or believes one is a recurrence of another after comparison, accept it. When pathologists believe that two or more tumors are not the same or believe that one is not a recurrence of another, there is usually a strong statement indicating that opinion. 2009
20091048 Surgery of Primary Site--Lymphoma/Soft Tissue: How is this field coded for an excision of a neck mass that found lymphoma in soft tissue (C49.0)? See Discussion. CT scan showed soft tissue mass in the retropharynx. 9/23/2008 Laryngoscopy with biopsy taken of left tonsil and left base of tongue and random biopsies of nasopharynx; FNA of left neck. Path stated left tonsil, squamous papilloma. Left base of tongue, no significant histopathology. Nasopharynx biopsies, compatible with tonsillar tissue. Pretracheal lymph node biopsies, mild reactive lymphoid hyperplasia. 9/30/2008 Excision of left neck mass with limited deep jugular chain lymph node dissection. Path stated lymph node left jugular biopsy, no tumor seen. Soft tissue, left neck biopsy, malignant B cell lymphoma with plasmacytoid differentiation. Addendum from consult: favor a diagnosis of a marginal zone lymphoma. Per the gross description, the specimen was fibrofatty connective tissue in which there is a tumor infiltrate. Assign code 26 [partial resection]. Use the surgery codes that apply to the primary site. See page C-597 of the 2007 SEER manual for surgery of primary site codes applicable to primary sites of soft tissue coded to C490 - C499. 2009
20091047 MP/H Rules/Histology--Ovary: How is histology coded for "serous carcinoma, papillary invasive pattern"? For cases diagnosed 2007 or later, code the histology 8441/3 [Serous carcinoma, NOS]. Use the Other Sites rules. Start with rule H8 and stop at rule H11. "Pattern" is not one of the terms used to identify a specific type (See H16), so papillary is ignored. 2009
20091046 CS Lymph Nodes/CS Site Specific Factor--Melanoma: When CS Lymph Nodes is coded 13, 14 or 15 (codes used when satellite nodule(s) or in-transit metastases are present), why must CS SSF 3 be coded 000 (No lymph node metastasis)? See Discussion.

3/11/05 Consult - PE: huge exophytic lesion right lower leg (mushroom-type lesion), 6cm. Below that lesion is another ulcerative lesion 2cm. Right upper arm lesion w/ satellite nodule. Note from physician states malignant melanoma on right lower leg metastatic to the left arm/shoulder. No scans done so there is no assessment of the lymph nodes.

We coded CS LNS to 13, which captures the satellite nodule, CS SSF3 = 999 and CS Reg Nodes Eval = 0. SEER Edit 216 requires the SSF3 to be 000. SSF 3 is coded 999 as there is no information about the clinical status of 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.When CS lymph nodes is coded 13-15, SSF 3 must be coded 000. Follow the instruction in the SSF 3 Note: Use code 000, No lymph node metastases, if ... there are satellite nodules or in-transit metastases, but no regional lymph node metastases, i.e., CS Lymph Nodes is coded 13-15.

For this case, assign CS lymph node code 15 [Satellite nodule(s) or in-transit metastases greater than 2cm from primary tumor WITHOUT regional lymph node involvement or involvement of regional nodes not stated]. The arm lesion is more than 2cm from the leg lesion.

 2009
20091045 CS Tumor Size/CS Site Specific Factor--Breast: When tumor size is unknown, but it is known that both in situ and invasive components are present, how should CS Tumor Size and SSF6 be coded? See Discussion. We coded CS Tumor Size 990 and SSF 6 to 060 for a case in which no tumor size was mentioned and the breast core biopsy identified microinvasive infiltrating lobular carcinoma and lobular carcinoma insitu. The lumpectomy identified no residual tumor. SEER edit 218 states we must have CS Tumor Size as 999 if the CS SSF 6 is 060. Yet the tumor size code of 990 (Microinvasion; microscopic focus or foci only, no size given; described as less than 1 mm) would more accurately reflect this case. Even in a situation where there was microinvasion described as less than 1mm, the edit will not allow one to code CS Tumor Size to 990 with the CS SSF 6 as 060. Should these types of cases have CS Tumor Size coded 999 or should the edit be adjusted to allow for this combination?

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 990 [Microinvasion; microscopic focus or foci only, no size given; described as less than 1 mm] and CS SSF6 050 [Invasive and in situ components present, size of entire tumor coded in CS Tumor Size because size of invasive component not stated AND proportions of in situ and invasive not known].

This combination of codes captures the information available for this case.

 2009
20091044 Radiation Therapy: Would tomotherapy, described as targeted IMRT, be coded as external beam?

Code tomotherapy as 1 [Beam radiation].

Tomotherapy is external beam radiation therapy. It is a type of IMRT. Intensity-modulated radiation therapy (IMRT) is an advanced mode of high-precision radiotherapy that utilizes computer-controlled x-ray accelerators to deliver radiation. Tomotherapy is a CT image guided IMRT.

2009
20091043

Multiple primaries--Lymphoma: Should a second primary lymphoma be accessioned if the reporting hospital disagrees with the final diagnosis stated on a review of slides? See Discussion.

Example: Patient had an original diagnosis of small lymphocytic lymphoma (9670/3) of lung in 1986 and later presents with small B-cell non-Hodgkin lymphoma (9670/3) of small bowel in 2008 at Hospital A. Slides sent for review at Hospital B where patient was also seen. Slides there read as low grade B-cell lymphoma most consistent with extranodal marginal B-cell lymphoma of mucosal associated tissue (MALT Lymphoma). Hospital A's pathology report stated that immunostains would exclude mantle cell lymphoma and MALT lymphoma and the original pathology report has not been amended to match the outside path diagnosis. Is this a second primary of MALT lymphoma (9699)?

For cases diagnosed prior to 1/1/2010:The 2008 diagnosis is not a new primary according to the Definitions of Single and Subsequent Primaries for Hematologic Malignancies (the tri-fold heme table) using the pathology report diagnosis from the facility where the procedure was performed (Hospital A). Since Hospital A disagreed with the slide review and did not amend their diagnosis based on the slide review, do not use the slide review diagnosis in this case.

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.

 2009
20091042 Multiple primaries--Hematopoietic, NOS: How many primaries should be coded when a patient has multiple occurrences of plasmacytoma followed by a diagnosis of multiple myeloma? See Discussion.

Example: Patient had a diagnosis on February 2003, plasmacytoma of the sinus; June 2003, plasmacytoma of the alveolar ridge; July 2003, plasmacytoma of the skin; and June 2004, multiple myeloma.

If this represents a transformation of plasmacytomas to multiple myeloma, will the information on multiple myeloma be available for statistical and research purposes?

For cases diagnosed prior to 1/1/2010:Accession this case as plasmacytoma diagnosed in Feb. 2003. Each of the subsequent diagnoses are not abstracted as new primaries. They are the "same," one primary only, according to the Definition of Single and Subsequent Primaries for Hematologic Malignancies (the tri-fold heme table).

The 2003 diagnosis is a classic example of extraosseous plasmacytoma (9734/3).

Plasmacytoma and multiple myeloma would be two primaries in the new hematopoietic rules taking effect in 2010.

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.

 2009