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Report Produced: 04/30/2025 11:22 AM

Report Question ID Question Discussion Answer Year
20031125

Histology/Reportability/Behavior Code--Testis: Is a mature teratoma that is metastatic to lymph nodes reportable? See Description.

Pathology report states, "Histologic sections reveal lymph node metastases, consisting predominantly of mature teratoma. In addition, there are cells scattered through the fibrous stroma which exhibit mild cytologic atypia but have low N:C ratios. The largest metastasis grossly measures 10cm. In addition extracapsular extension is identified. Diagnosis: Lymph Nodes--Metastatic Testicular Carcinoma Involving Multiple Lymph Nodes." The morphology code for mature teratoma is 9080/0. The pathologist does not classify this as an immature teratoma (9080/3). Is this reportable?

Yes, this metastatic teratoma is reportable.

This is a malignant teratoma by virtue of the lymph node metastases. Code the histology as 9080/3 [Teratoma, malignant, NOS]. Primary site is testis [C62_].

 2003
20031124 Multiple Primaries (Pre-2007)--Breast: Synchronous invasive right breast tumors. Ductal carcinoma, NOS in UIQ and Ductal carcinoma, tubular type in LOQ. Are these two primaries or a single primary coded to 8523/3?

For tumors diagnosed prior to 2007:

Code as two primaries, one 8500/3 [Infiltrating duct carcinoma] and one 8211/3 [Tubular carcinoma].

Apply the multiple primary rules first. These are synchronous right breast tumors with different histologies. Therefore, they are separate primaries according to rule 5.a on page 12 of the SEER Program Code Manual. ICD-O-3 histology code 8523/3 is NOT to be used to combine histologies from separate primaries; it is used for mixed histologies in a single primary.

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.

 2003
20031123 Grade, Differentiation--Prostate: Has SEER officially changed the conversion code for Gleason score 7 to grade 3 [poorly differentiated] for cases diagnosed in 2003 or later? For prostate cases diagnosed in 2003 and forward: convert Gleason score 7 to grade 3 [poorly differentiated]. 2003
20031120

Primary site: How is this field coded for a malignant spindle cell neoplasm in a subcutaneous mass of the right knee? See Description.

The pathology report says: Right knee tumor:

A. discrete subcutaneous mass 3.5x5.2x1.4 cm malignant spindle cell neoplasm (see Comment)

B. A focus of subcutaneous malignant neoplasm is identified in the superior resection margin.

C.All other margins are clear.

The comment mentions that the specimen has been sent to Mayo Clinic and the Mayo clinic consult says, "we still believe that the diagnosis of spindle cell carcinoma is correct. Obviously the differential diagnosis involves melanoma and sarcoma also. The results of the immunoperoxidase stains strongly support the prior diagnosis of a carcinoma."

Code the site to C49.2 [Connective, subcutaneous and other soft tissues of lower limb and hip]. The site is a subcutaneous mass. C49 with 8032/3 will not be impossible following the next updates to the SEER edits.

 2003
20031119 EOD-Extension/EOD-Lymph Nodes--Colon: For this primary, under which field are satellite tumor nodules in mesenteric adipose tissue coded? See Description.

Sigmoid colon, low anterior resection: Invasive adenocarcinoma, 5.5 cm greastest dimension, moderately differentiated. Tumor invades through muscularis propria, into mesenteric adipose tissue. No penetration of visceral peritoneum. Proximal, distal, and radial margins free of tumor. Satellite tumor nodule present within mesenteric adipose tissue, 1.5 cm diameter, located 2.8 cm from main bowel wall tumor. Ten lymph nodes identified, with no evidence of metastatic tumor.

Comment: The satellite tumor nodule present within the mesenteric adipose tissue has an infiltrating, irregular contoured appearance and does not appear to represent a previously replaced lymph node. This appears to be a local metastasis with histologic features most commonly associated with venous invasion (see AJCC Cancer Staging Handbook, Sixth Edition, 2002, page 131 for current staging terminology).

 For cases diagnosed 1998-2003: For EOD, each grossly detectable nodule in the regional mesenteric fat is counted as one regional lymph node. 2003
20031118 Primary Site/EOD-Extension--Kaposi Sarcoma: How are these fields coded for localized disease described as "Nodal Kaposi Sarcoma" found on inguinal node biopsy only?

Code the site of involvement as the primary site when no other involvement is documented. For the case above, code C774 [inguinal lymph node] as primary site.

For cases diagnosed 1998-2003: Code EOD-extension as 13 [Visceral].

 2003
20031117

Multiple Primaries (Pre-2007): Are simultaneous tumors of the rectosigmoid junction and rectum counted as two primaries? See Description.

On the same day in 1998, a patient was found to have a T3 adenocarcinoma of the rectosigmoid junction and an in situ adenocarcinoma in a villotubular adenoma in the lower rectum. These would be the same histology if they are in the same site.

Are C199 and C209 the same site? They are listed in ICD-O-2 (pg. xxxvii) and in ICD-O-3 (pg. 36), but they are not listed in the SEER Program Manual on page 9 as the same site. Is this one primary or two?

For tumors diagnosed prior to 2007:

Abstract two primaries for the example above, according to the main rule on page 7 in the SPCM. Rectosigmoid junction (C19) and rectum (C20) are in different 3-digit ICD-O-3 topography code categories. Rectosigmoid junction and rectum are not included in the exceptions to the main rule and, therefore, do not appear on page 9 of the SPCM.

The table on page 9 is not identical to the table in ICD-O-3. Two site combinations are listed in ICD-O-3, but not in the SEER table: C19 (rectosigmoid junction) and C20 (rectum); C40 (bones of limbs) and C41 (other bones). Abstract multiple tumors in the rectosigmoid junction and rectum as separate primaries. Abstract multiple tumors in the bones of the limbs and other bones as separate primaries.

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.

 2003
20031116

EOD-Size of Primary Tumor: Can the term "filling defect" be used to code tumor size? See Description.

Site: Bladder

CT abd/pelvis: 4 cm filling defect of the bladder encasing jetstream of distal ureter. 2-3 cm lesion may be extension to bladder. KUB: 3-4 cm filling defect within bladder.

Cystoscopy: large bladder tumor with small tumor extending out of the large tumor.

OP Findings: Large tumor on right of bladder extending from bladder neck lateral and posterior

Pathology: TURB: High grade TCC, Grade III with focal lamina propria invasion.

For tumors diagnosed 1998-2003:

Information on size from imaging/radiographic techniques can be used to code size when there is no more specific size information from a pathology or operative report, but it should be taken as low priority, just above a physical exam.

The term "filling defect" from a CT or KUB may be used to code tumor size for bladder in the absence of more reliable size information from path, operative or endoscopic reports.

 2003
20031115 EOD-Lymph Nodes/EOD-Extension: Does extracapsular lymph node extension into adjacent tissue or organs affect EOD coding? See Description.

For a lung primary a PET scan showed marked uptake in the right hilum consistent with metastatic disease. A radical pneumonectomy was performed and the operative findings showed that the pulmonary artery was involved with a mass.

Pathology: Small cell carcinoma in the lung parenchyma. The distal bronchi showed obstructive pneumonitis. There were mets found on 02/05 on the hilar lymph nodes and 00/02 peribronchial nodes. The mets in the hilar nodes extended beyond the lymph node capsule into the pulmonary artery.

 For cases diagnosed 1998-2003: Extracapsular lymph node extension does not affect the extent of disease. Code the extent of regional lymph node involvement in EOD lymph nodes. 2003
20031114 EOD-Extension--Colon: How is this field coded for an appendical primary when the appendix has ruptured and intrapentoneal fluid is positive? For cases diagnosed 1998-2003: Code EOD extension as 85 [Metastasis]. Positive intraperitoneal fluid is equivalent to distant metastasis (implantation) for colon, including appendix, primaries. 2003