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Report Produced: 12/16/2025 11:33 AM

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
20000554 EOD-Extension--Stomach: What code is used to represent this field for a stomach primary described as linitis plastica?

For cases diagnosed 1998-2003:

Code the EOD-Extension field to 30 [Localized, NOS], unless more information is known about the extent of tumor involvement. Coding the Histology field to 8142/3 [Linitis plastica] and the Size of Primary Tumor field to 998 [Diffuse; widespread; 3/4 or more: Linitis plastica] identifies this diagnosis.

In the EOD-Extension field, the depth of invasion is the important characteristic to be coded. The 10 digit EOD corresponds to the AJCC Staging Manual in which the "T" is based on level of invasion. While a diagnosis of linitis plastica indicates a worse prognosis, it does not define the extent of infiltration. There is no luminal mass with linitis plastica. Instead, the entire gastric wall is thickened by tumor.

 2000
20000484 EOD-Size of Primary Tumor--Breast/Cervix: When coding tumor size, when do you use 997 for breast cases and 000 versus 999 for breast and other primaries? See discussion.

Example 1: Ductal carcinoma found in axillary lymph nodes. No tumor found in breast on physical exam or by pathological exam of the breast, but physician states that the breast is definitely the primary site.

Example 2: Paget disease for breast carcinoma with no underlying tumor.

Example 3: Inspection of the cervix shows no visible tumor; biopsy of the cervix reveals CIN III or squamous cell carcinoma, either invasive or in situ.

For cases diagnosed 1998-2003:

Code the EOD-Size of Primary Tumor field as follows:

Example 1: Code to 000 [No mass, no tumor found, no Paget disease] when a tumor of a stated primary site is not found, but the tumor has metastasized.

Example 2: Code to 997 [Paget disease of nipple with no demonstrable tumor] if there is no underlying tumor and the patient presents with Paget of the breast.

Example 3: Code to 999 [Size not stated] when no size of tumor is given on the pathology report. Do not use 000 in the size field when a tumor is not visible on physical exam or by imaging, but tumor is found microscopically.

 2000
20000433 Diagnostic Confirmation: Is it appropriate to code this field to "radiography" confirmation when a CT scan does not actually contain a diagnosis of malignancy, however, the discharge diagnosis in the medical record of "probable malignancy" is likely based on the abnormal CT findings? See discussion.

10/1/02 CT of Chest: 1) Huge (left) suprahilar mass. 2) Moderate volume loss, left lung. Appearance suspicious of LLL collapse. An infiltrate is seen in the aerated upper lobe as well as pleural effusion. 3) Streaky and nodular changes are noted at the right base that may represent possible lymphangetic spread of tumor.

10/23/02 Discharge Dx: Lung mass, probably carcinoma.

 Code the Diagnostic Confirmation field to 7 [Radiography]. This is appropriate because it was the scan evidence that was used to make the clinical diagnosis. 2000
20000428 EOD-Clinical Extension--Prostate: How do you distinguish between clinical extension codes of 10, 13, 14, and 20 for cases with a benign prostate per digital rectal exam that appear localized after TURP/prostatectomy? Can the clinical extension code of 10 be used if the term "microscopic carcinoma" is noted in the pathology report without also mentioning "foci" or "Stage A" for clinically inapparent tumors?

For cases diagnosed 1998-2003:

When the prostate feels benign and the cancer is found incidentally at the time of the microscopic exam, code the EOD-Extension field to 10 [number of foci or % of involved tissue not specified]. Code as 13 (less than or equal to 5%) or 14 (greater than 5%) if percentage involved is given in the tissue resected. If the path report states "solitary focus of carcinoma" without mentioning the total amount of tissue resected, code extension to 13. If there is more than one focus, code extension to 10. Don't assign a code of 20 unless the tumor is clinically apparent.

 2000
20000486 EOD-Pathologic Review of Number of Regional Lymph Nodes Positive and Examined/Surgical Procedure of Other Site--Kaposi Sarcoma: How do you code these fields for a groin mass excision containing 4 lymph nodes for a Kaposi sarcoma case that presented with multiple skin lesions?

Code the EOD-Pathologic Review of Number of Regional Lymph Nodes Positive and Examined fields to 99 99 for Kaposi cases that present systemically and for those that present in more than one site (which includes cases with more than one skin subsite involved at diagnosis). There are no "regional" lymph nodes for such cases. This represents a majority of currently diagnosed Kaposi cases. However, for localized Kaposi cases, you can count the number of regional lymph nodes positive and examined if the primary site selected has a regional lymph node chain(s) associated with it (e.g., soft palate, hard palate, or a skin subsite).

For cases diagnosed 1/1/2003 and after: Code the groin mass excision in the Surgical Procedure of Other Site field to 1 [Non-primary surgical procedure performed; Non-primary surgical resection to other site(s), unknown if whether the site(s) is regional or distant].

 2000
20000469 Reason for No Cancer-Directed Surgery--Lung: How do you code this field for a lung primary that presents with metastasis to the bone and brain in which the oncologist's treatment plan includes only radiation and chemotherapy? Code the Reason for No Cancer-Directed Surgery field to 1 [Cancer-Directed Surgery Not Recommended]. 2000
20000549 EOD-Pathologic Review of Number of Regional Lymph Nodes Positive and Examined: How are these fields coded if radiation to the primary site and/or regional lymph nodes is performed prior to surgery?

For cases diagnosed 1998-2003:

Code the EOD-Pathologic Review of Number of Regional Lymph Nodes Positive and Examined fields per the information in the pathology report(s). Radiation to the primary site would not affect the status of the lymph node involvement. Radiation to the regional lymph node region may or may not affect the pathologic status of the lymph nodes. However, for these fields code the best information available about the status of the lymph nodes which is reflected in the pathology report(s).

 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
20000852 Histology (Pre-2007)/Grade, Differentiation: What code is used to represent the histology "cystadenocarcinoma with multiple foci of high grade anaplastic and undifferentiated sarcoma"? See discussion. The case was presented at tumor conference. The physicians indicated that the patient would not have the same disease course as a patient with cystadenocarcinoma of the ovary. The physicians advised the use of a mixed histology code. However, there is no appropriate mixed histology code for cystadenocarcinoma, anaplastic carcinoma, and sarcoma. It doesn't seem as though these cases should be grouped and analyzed with cases having a single histology of cystadenocarcinoma.

For tumors diagnosed prior to 2007:

Code the Histology and Grade, Differentiation fields to 8440/34 [cystadenocarcinoma, anaplastic] because a combination code for the specified histologic type does not exist.

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