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Report Produced: 03/02/2026 04:01 AM

Report Question ID Question Discussion Answer Year
20091126 MP/H Rules/Multiple primaries--Vagina: How many primaries should be abstracted for a patient with a complex history of multiple occurrences of vaginal intraepithelial neoplasia (VAIN III) between 2001 and 2008 and invasive squamous cell carcinoma (SCCA) of the vagina diagnosed in 2006 and again in 2008? See Discussion. Patient had VAIN III in March of 2001. She had a partial vaginectomy and then continues to have laser surgery in 2002, 2003, 2005 and 2006 for recurrences. In 12/2006 she is diagnosed with SCCA of the vagina with microinvasion (new primary). Then in 2/2008 she has VAIN III again -- new primary according to rule M10 (more than 1 year later). An invasive SCCA of the vagina is again diagnosed in 9/2008. Is this another new primary per rule M15 (invasive after in situ)? Every instance in 2008 is called a recurrence, but we disregard that statement.

There are two primaries according to the information provided.

1. VAIN III March 2001.

2. SCCA of vagina Dec. 2006 (invasive tumor following an in situ

For cases diagnosed 2007 or later, the MP/H rules apply to new tumors, which means that there has been a disease-free interval at some point. In this case, the patient has never been declared disease-free (NED) using the information provided in the question. The consistent recurrence of VAIN is typical of this disease.

 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
20091016 CS Extension--Pancreas: How do you code this field for a head of pancreas primary with involvement of portal and splenic veins? See Discussion. The splenic artery/vein is only mentioned in the body and tail scheme; no mention is made of this site in the pancreatic head scheme.

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 CS extension code 54 [major blood vessels]. The portal vein is listed under code 54 for head of pancreas. The splenic vein branches from the portal vein.

 2009
20091127

MP/H Rules/Multiple primaries--Brain and CNS: How many primaries are to be accessioned for a patient with Neurofibromatosis 2 (NF2) who presents with meningiomas on the left and right side of the brain and multiple meningiomas of the spinal cord? See Discussion.

We have a patient with NF2 who also has meningiomas diagnosed on the left and right side of the brain as well as multiple meningiomas of the spinal cord. Are the meningiomas all one primary (separate from the NF2): C70.9 and 9530/1?

For cases diagnosed 2007 or later, this is four primaries.

Report NF2 because it occurs with reportable neoplasms. Note: Report NF only once per patient.

Per MP/H Benign CNS Rule M4, the meningiomas of the meninges/brain (C70.0) and meninges/CNS (C70.1) are multiple primaries. Code the meningiomas of the spine to the histology to 9530/1 [Multiple meningiomas] (Rule H6) because there are multiple tumors in the spine.

Per Rule M5, the meningiomas of the right and left side of the brain are multiple primaries. Code of each to the histology 9530/0 [Meningioma, NOS] per Rule H2 because they are separate primaries (assuming there is one tumor on each side of the brain).

 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
20091004

Reportability--Kidney: Is the donor or the recipient the reportable patient when a cyst removed from a pre-transplanted kidney is determined to be cancerous? See Discussion.

A patient received a kidney from her son. The son's kidney had a cyst which was removed prior to the transplant and later determined to be renal cell ca. Who do we report, the donor or the recipient?

The renal cell carcinoma should be reported for the donor. The cyst that was determined to be carcinoma was removed before the kidney was transplanted.

 2009
20091112 Grade-Breast: How is this field coded for a breast tumor described as "intermediate nuclear grade"? See Discussion.

Guidelines for selecting grade for breast primaries prioritize nuclear grade right after B&R grade. The conversion table displays only numeric values for nuclear grade. How is grade coded for tumors in which nuclear grade is described by terminology? Does it make a difference if the tumor is invasive or in situ?

Example 1: Ductal carcinoma, intermediate nuclear grade.

Example 2: Ductal carcinoma, high nuclear grade.

Example 3: Ductal carcinoma, moderate nuclear grade.

Example 4: DCIS, intermediate nuclear grade.

Use the table on page C-607 of the 2007 SEER manual. The terms "low," "intermediate," and "high" appear in the column labeled "BR Grade." Use this column to determine the appropriate grade code when grade is described using these terms. If the grade of an in situ tumor is described using these terms, use the table to determine the appropriate code for the grade field. 2009
20091002

Multiplicity Counter--Ovary: Given the diffuse nature of ovarian cancer, should we count bilateral parenchymal involvment of ovaries as two tumors? See Discussion.

Are peritoneal implants mets and not counted as separate tumors, even though they're not stated to be metastatic in the path report, and are not coded as distant mets?

Code Multiplicity Counter to 02 [Two tumors present] for an epithelial ovarian primary involving both ovaries. Do not count the peritoneal implants; they are regional metastasis and not included in the multiplicity counter. An example like this will be added to the manual in the next revision.

 2009
20091106 Multiple Primaries--Urinary: How many primaries should be coded for an 8/9/07 invasive transitional cell carcinoma of right ureter; 7/9/08 non-invasive urothelial carcinoma of bladder; 11/18/08 non-invasive urothelial carcinoma of left ureter; 6/20/09 invasive urothelial carcinoma of left ureter? One primary. This is a good example of how the field effect occurs in the urinary system. From 2007 to 2008, Rule M8 says bladder and ureter tumors are not new primaries and would be documented as recurrences. Because other urinary sites are involved by 11/08 and by 06/09, do not make second primary of left ureter (Rule M4 does not apply). 2009
20091120

MP/H Rules/Histology--Esophagus: Should the modifying expression "with areas of" be used to code histology? See Discussion.

Patient was found to have two tumors in the esophagus. The large tumor was diagnosed as adenocarcinoma with areas of neuroendocrine differentiation (small cell carcinoma). The smaller tumor was diagnosed as small cell carcinoma. If we accept the "areas of" to be part of the diagnosis, rule H16 indicates that histology for the large tumor would be coded 8045 (combined small cell and adenocarcinoma). If we ignore the "areas of," then histology for the large tumor would be coded to 8140 (adenocarcinoma). Either way, when counting primaries, rule M17 would be applied and the two tumors would be classified as separate primaries. However, it seems that the two tumors are probably the same disease process since they both show small cell carcinoma.

For cases diagnosed 2007 or later, do not use the modifying expression "with areas of" to determine a more specific histology per rule H13 in the MP/H rules.

 2009