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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.For tumors diagnosed prior to 2004, the example above is a benign meningioma and not reportable to SEER.

For tumors diagnosed 2004 or later, code the behavior as 1 [Borderline malignancy]. Code CS Extension as 05 [Benign or borderline brain tumors].

According to expert consultant, meningiomas are in the lining cells for the inner table of the skull and as such have an affinity for bone that allows them to penetrate adjacent bone without being "malignant.

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.

The CS Mets Eval code refers to the method used to evaluate the site farthest from the primary site. The correct code may not be the highest eval code. For example 1 above, if the liver is the site farthest from the colon primary that was evaluated for distant mets, code the CS Mets Eval code to the method used to evaluate liver. Code surgical evaluation as 1.

Assuming this is all of the information about possible distant metastatic sites for the examples above, code CS Mets at DX as 00, and CS Mets Eval as 1 for each.

Please note: imaging of farther sites should also be included when CS Mets at DX is coded. For example, if there was also a negative chest X-ray, the CS Mets at DX field would be 00 but the CS Mets Eval field would be 0 because the CXR documents that there are no mets beyond the immediate area of the tumor.

Do not accession cases using only the term "has the markings of malignancy." This term is not on the list of ambiguous terms that are reportable. If the term does not appear on either the reportable or not reportable list, the term is not diagnostic of cancer. Do not accession the case.

Please see SINQ 20010094 in reference to BI-RADS terminology.

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.Accept your registrars' codes at your discretion. It is encouraged, but not required, to enter text for CS data elements. These cases do not automatically default to code 999.

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.

Code 46: Attached to other organ (on imaging or surgical observation); pathology says no invasion of the other organ. Code 57: Attached to other organ; pathology is positive for invasion of other organ, or pathology does not specify whether there is invasion of the other organ.

Example 1: Code extension to 46 [Adherent to other organs or sturcture, but no microscopic tumor found in adhesion(s)]. The tumor was attached to the duodenum, but not invading

Example 2: Code extension to 46 [Adherent to other organs or structure, but no microscopic tumor found in adhesion(s)]. The tumor was attached to peritoneum & retroperitoneum, but not invading based on negative margins and no peritoneum or retroperitoneum specimen submitted to pathologist.

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.If the pathology report confirms that the entire polyp is malignant, code the size of the polyp/polypoid mass. If the pathology report does not confirm that the entire polyp is malignant, code 999.

Code tumor size as 999 [Unknown] for the example above. Do not code the size of the polypoid mass in this example. The size given above is the size of the polypoid mass, not the size of the malignancy.

Polypoid means "Like a polyp.

For tumors diagnosed prior to 2007

Code this case to adenocarcinoma [8140]. The best source for histology is the final diagnosis on the path report from the procedure that removed the most tumor tissue. When there is a conflict, the path diagnosis has higher priority than the colonoscopy diagnosis for coding histology.

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.

For cases diagnosed prior to 1/1/2010:Site: C492 [Soft tissue thigh]

Histology: 9680/36 [T-cell rich large B-cell lymphoma]

For cases diagnosed 2010 forward, refer to the Hematopoietic and Lymphoid Neoplasm Case Reportability and Coding Manual and the Hematopoietic Database (Hematopoietic DB) provided by SEER on its website to research your question. If those resources do not adequately address your issue, submit a new question to SINQ.

For tumors diagnosed prior to 2007:

The presence of numerous/multiple polyps is not necessarily adenomatous polyposis coli. Adenomatous polyposis is an extreme condition usually characterized by the presence of hundreds of polyps and should be identified as such either clinically or pathologically.

Look for the term "Familial adenomatous polyposis," FAP or one of its synonyms:

Adenomatosis of the colon and rectum [ACR]

Familial adenomatous colon polyposis

Familial colonic polyposis

Multiple familial polyposis

In the absence of these terms, the following probably indicate a diagnosis of FAP:

Hundreds of adenomatous polyps throughout large intestines, and at times, throughout the digestive system

Development of polyps as early as ten years of age, but more commonly at puberty

History of colectomy

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.