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Report Produced: 05/22/2025 22:54 PM

Report Question ID Question Discussion Answer Year
20000561 EOD-Pathologic Extension--Prostate: Can a pathological extension code be assigned when a retropubic prostatectomy is done? See discussion. The TNM manual states, "Total prostatoseminalvesiculectomy and pelvic lymph node dissection are required for pathologic staging."

For cases diagnosed 1998-2003:

The pathology report from a retropubic prostatectomy should be used to code the Pathologic Extension field. This field is coded using pathology report information from the prostatectomy operation regardless of the surgical approach and regardless of whether or not a pelvic lymph node dissection was performed. This is one area in which TNM rules for pathologic staging and SEER rules for EOD are slightly different.

 2000
20000452 Other Therapy: What code is used to represent "gene" therapy? See discussion.

The following form of gene therapy has been described as treatment for malignant brain tumors.

Patients undergo surgery to remove as much of the tumor as possible. After surgery, the patients are infused with a virus that has been genetically altered so that it is not infectious and so that it contains a gene from the herpes simplex virus. The herpes gene is sensitive to a drug called ganciclovir. Once inside the brain, the genetically altered virus infects any remaining tumor cells. When this occurs, the herpes gene is established inside the cancer cells. After the virus infects the cancer cells, the patients are given ganciclovir. This drug would kill both the virus and the brain tumor cells.

 Code the Other Cancer-Directed Therapy field to 2 [Other experimental cancer-directed therapy (not included elsewhere)]. 2000
20000421 Surgery of Primary Site/Reconstruction-First Course--Breast: If the plan is to "reconstruct" the breast 6 months after an ipsilateral modified radical mastectomy, is the time span a problem or should it be coded in the Surgery of Primary Site field because it was planned? For cases diagnosed 1/1/2003 and after: Code the Surgery of Primary Site field to 55 [Modified radical mastectomy WITHOUT removal of uninvolved contralateral breast, Implant]. The time span is not a problem as long as the reconstruction was planned as first course, which is indicated by tissue expander insertion at the time of the original surgery. 2000
20000437

EOD-Extension--Lymphoma: Should "bilateral" inguinal lymph node involvement by lymphoma be two chains for the purpose of coding EOD?

Yes. Bilateral inguinal lymph nodes are coded as two chains/regions.

 2000
20000485 EOD-Extension--Lung: Should the phrase "some pleural fluid in both posterior gutters" be interpreted as pleural effusion for lung primaries? See discussion. CT scan: "3 cm mass left upper lobe of lung. Some pleural fluid in both posterior gutters. Large matted hilar lymph nodes, left. Some narrowing left upper bronchus by this adenopathy. Squamous cell ca lung with mets to left hilar lymph nodes, most likely possibility." Would you code extension to 72 [malignant pleural effusion; pleural effusion, NOS]?

For cases diagnosed 1998-2003:

Yes. Code the EOD-Extension field to 72 [malignant pleural effusion, pleural effusion, NOS]. Pleural effusion is mentioned as being present.

 2000
20000512 EOD-Extension/EOD-Lymph Nodes--Kaposi Sarcoma: What code is used to represent this field for a Kaposi sarcoma with no skin lesions but positive lymph node and bone marrow biopsies?

Code the EOD-Extension field to 13 [Visceral (e.g., pulmonary, gastrointestinal tract, spleen, other)], because of the positive bone marrow. Code the EOD-Lymph Nodes field to 3 [Both clinically enlarged palpable lymph nodes (adenopathy) and pathologically positive lymph nodes], for the pathologically positive node.

Note: Potential revision of the extension scheme will be referred to SEER Medical Advisory Group (SMAG).

 2000
20000515

Multiple Primaries (Pre-2007)--Ovary/Endometrium: Is endometrioid adenocarcinoma occuring simultaneously in the left ovary and the endometrium one primary or two? See discussion.

Pathology Final Diagnosis:

Left Ovary: Moderately differentiated endometrioid adenocarcinoma squamous differentiation grade 2 (scale of 3)

Uterus: Moderately differentiated endometrioid adenocarcinoma with squamous differentiation, grade II (scale of III). Focal, very superficial invasion to inner third myometrium with extension to lower uterine segment. Endocervix, cervix, right ovary and fallopian tubes negative for tumor.

For tumors diagnosed prior to 2007:

Code the case you describe as two primaries. The endometrioid adenocarcinoma can arise in the endometrium without a concomitant ovarian carcinoma.

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.

 2000
20000461 Surgery of Primary Site/Date Therapy Initiated--Cervix: Should "negative endocervical curettings" be coded as surgical treatment for carcinoma in situ of the cervix primaries and should the date of the procedure ever be used in coding the Date Therapy Initiated field? For cases diagnosed 1/1/2003 and later: Code Surgery of Primary Site to 25 [D&C endocervical curettage (for in situ only)]. If this is the first treatment given, the Date Therapy Initiated is coded to the date of the curettage. 2000
20000248 Date of Diagnosis: When doing follow-back at nursing homes on DCO cases, we find it difficult to code diagnosis date because the nursing home records are often vague or incomplete. Should the diagnosis date be coded as unknown (excluded from SEER database), the date of death, or the approximate date of diagnosis as reported on the death certificate?

If the nursing home record indicates that the patient had cancer, use the best approximation for date of diagnosis.

If the record says the patient had cancer when admitted, but it does not provide a date of diagnosis, use the date of admission as the date of diagnosis.

If there is no mention of cancer in the nursing home record and/or all work-up in the record is negative, assume the cancer was discovered at autopsy. Use the date of death as the date of diagnosis, and leave as a Death Certificate Only case.

 2000
20000533

EOD-Clinical Extension--Prostate: In the SEER EOD manual, there is a list of terms to distinguish apparent from inapparent tumor for prostate primaries. Are terms in the "maybe" category and are terms not on the list clinically inapparent or clinically apparent when there is no physician staging of the case? See discussion.

The rectal examination states that there is "asymmetrical enlargement of the prostate, firmness over the right lobe" and the physical exam impression is extensive carcinoma of right lobe. A needle biopsy of the right lobe was positive. "Enlarged" is on SEER's list of clinically inapparent terms; "asymmetrical" and "firm, NOS" are on the "maybe" list.

For cases diagnosed 1998-2003:

On the basis of the physical exam impression, code the EOD-Clinical Extension field to 20 [involvement of one lobe, NOS] for this case. Although the medical record did not provide a physician's staging of the case as clinically apparent, the physician did suspect carcinoma prior to the biopsy.

If clarifying stage information is missing and the term is in the "maybe" category or the term is not on the list, then code extension as 30 [localized, NOS] for cases that appear localized.

 2000