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Report Produced: 07/10/2025 17:09 PM

Report Question ID Question Discussion Answer Year
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
20031113 Primary site/Surgery of Primary Site/Surgical Procedure of Other Site--Unknown & ill-defined site: How are these fields coded for this type of primary site when a tumor excision and lymph node dissection is performed? See Description. Patient had a left parotidectomy w/ neck dissection in 02/2003. Findings showed a 10x5cm neck mass over the angle of the mandible as well as a 1.5 cm level 4 mass. Path showed invasive mod diff squamous cell ca. with posterior soft tissue margin positive for tumor; small portion of salivary gland had no tumor. Metastatic SCCa in 5 of 34 lymph nodes of neck dissection; no tumor in parotid lymph nodes. Pathology report says this could be a parotid carcinoma because the bulk of the disease is in the parotid, but it could also be metastatic...correlate with clinical findings. Doctor calls this unknown primary of the head and neck. Is this C80.9 or C76.0?

For cases diagnosed 1998-2003: The data item "Surgery of Primary Site" is intended to record only surgeries of the primary site. If the primary site is unknown or ill-defined, it is impossible to determine whether or not a particular surgery was performed on the primary site. "Surgical Procedure of Other Site" collects much less specific information; however, this is the correct data item to record surgery performed when the primary site is unknown or ill-defined.

For the case example, code the primary site as C76.0 [Head, face or neck, NOS]. Code Surgery of Primary Site as 98 [All unknown and ill-defined disease sites, with or without surgical treatment]. Code Surgical Procedure of Other Site as 1 [Non-primary surgical procedure performed].

 2003
20031112

Primary Site/Histology (Pre-2007)--Unknown & ill-defined site: How are these fields coded for a markedly atypical high grade malignant neoplasm diagnosed by a fine needle aspiration of a large iliac mass, right buttock area? See Description.

The diagnosis was made in Oct. 2002 by a CT guided fine needle aspiration of a large iliac mass, right buttock area. The cytology report says:

a. positive for malignant cells, markedly atypical high grade malignant neoplasm.

b. It is impossible to tell from this aspiration biopsy whether or not this represents a high grade sarcoma or a high grade carcinoma, but our consensus opinion is that this lesion is a high grade carcinoma.

The combination of soft tissue topography and carcinoma morphology is Impossible by SEER edits. How should we code this?

For tumors diagnosed prior to 2007:

Code the site to C76.3 [Pelvis, NOS]. Code the histology to 8010/34 [Carcinoma, NOS, high grade].

Unless there is better information available regarding the site, assign C76.3. The information provided above does not indicate the exact site of the mass.

Code the histology based on the consensus opinion stated above.

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
20031111 EOD-Extension--Lung: For a left upper lobe lung tumor that extends across the fissure into the left lower lobe, should this field be coded to 10 [Tumor confined to one lung] or 77 [Separate tumor nodules in different lobe]? For cases diagnosed 1998-2003: Assign EOD extension code 10 [Tumor confined to one lung]. EOD extension code 10 applies to a single tumor within one lung, even one that crosses over a fissure into another lobe. EOD extension code 10 is not correct if the tumor extends to the pleura, or if there is atelectasis, obstructive pneumonitis or malignant pleural effusion. Code 77 is incorrect because that is a separate tumor nodule in a different lobe. 2003
20031106

Reportability--Appendix: Is an appendiceal carcinoid with one periappendiceal lymph node positive for metastatic carcinoid tumor reportable to SEER? See Discussion.

The patient had an appendectomy followed by a hemicolectomy. No residual carcinoid tumor was identified but there was one lymph node positive for metastatic carcinoid tumor.

Yes, this carcinoid is reportable to SEER. This carcinoid is malignant by virture of the lymph node metastasis. Code the behavior as /3.

2003
20031105 Surgery of Primary Site--Skin: How should this field be coded for a re-excision or wide excision of a skin primary when the margins are NOS?

For cases diagnosed 2003 and later:

Assign surgery codes 45, 46 and 47 only when the margins are documented to be more than 1cm. Use the most appropriate code from 30-36 if re-excision or wide excision followed a biopsy. Use a code from the 20's series if the procedure is called a "biopsy."

 2003
20031103

Reportability--Ovary: Is a Stage IIIC serous borderline tumor (micropapillary type) of the ovary diagnosed in 2003 reportable?

Serous borderline tumor of the ovary diagnosed in 2003 is not reportable to SEER. The behavior code is /1 in ICD-O-3. The high stage does not make this borderline tumor reportable. 2003