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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.

Intramammary lymph nodes are coded as axillary lymph nodes for staging purposes. Intramammary node are nodes within the breast tissue. Both staging and treatment suggest these are equivalent to axillary nodes.

For cases diagnosed 2011 and later:

A spinal "intradural extramedullary schwannoma (neurilemoma)" is reportable. This schwannoma originated in the spinal nerve root, C720.

See #2 under Reportability in the Data Collection Answers from the CoC, NPCR, SEER Technical Workgroup,

http://www.seer.cancer.gov/registrars/data-collection.html#reportability

For tumors diagnosed prior to 2007:

Assign code 8323 [Mixed cell adenocarcinoma] to "mixed papillary serous and clear cell carcinoma." This is histology coding rule 3 in the 2004 SEER manual under single tumor (page 86). There is no other code for this mixture.

Example 1: 8323

Example 2: 8461 (clear cell is not coded according to Rule 6, page 87, because it is not the majority of the tumor).

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.

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.

This matter is under consideration by the CS Steering Committee. The CS Steering committee is reviewing options for incorporating SEER guidelines into the CS manual.

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.No, the EOD guidelines for coding apex involvement are not in effect for coding SSF4.

The codes for CS site specific factor 4 include code 2 [into prostatic apex/arising in prostatic apex, NOS]. When it cannot be determined if apical involvement is arising in, or extending to, the apex, use code 2.

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 prostate and other "inaccessible sites" with localized disease, code the regional lymph nodes as clinically negative when not mentioned on imaging or exploratory surgery.

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 the case described above, code extension as 46 [Adherent to other organ...no microscopic tumor found in adhesion]. Code CS TS/Ext eval as 3 [Surgical resection performed...].

Surgery was performed for this case. The fact that the adherence to the duodenum was proven not to be tumor involvement should be coded as 3 in CS TS/Ext Eval. By using eval code 3, the case will map to a pathologic T indicating that the patient had resective surgery. Eval code 1 would map to a clinical T, incorrect for this case.

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.Based on the information provided above, code CS Tumor Size and Extension from CT scan. Code CS TS/Ext eval 5 [Surgical resection performed with pre-surgical treatment...size based on clinical evidence].

Code CS lymph nodes using information from resection. Code CS Reg Nodes eval 6 [Regional LN removed...with pre-surgical treatment...based on pathologic evidence].

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 tumor size as 080 (8cm). Code the largest pretreatment size recorded when there is preoperative systemic treatment.

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.Based on the information provided above, code CS tumor size 080 [8 cm]. Code the information that is avaliable. Since size of tumor is not used to stage bladder cancer, an approximation is adequate.