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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.Use the information from the pathologic evaluation to code CS Lymph nodes.

In the nodes evaluation field, assign code 6 [Regional lymph nodes removed for examination with pre-surgical systemic treatment or radiation and lymph node evaluation based on pathologic evidence]. See CS Lymph Nodes note 4.

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 change was made with the release of CS version 01.04.00 on October 31, 2007. The rules went into effect for cases diagnosed January 1, 2008 and later. A note was added to SINQ 20061088 stating that the answer pertains to cases diagnosed prior to January 1, 2008.

For cases diagnosed prior to 1/1/2010:After verifying that the lymphoma originated in the epidural space, code to C729 [nervous system, NOS (epidural)]. This is a rare type of extranodal lymphoma.

Assign CS extension code 80 for lymphoma with bone marrow involvement.

For cases diagnosed 1/1/10 and later, 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.

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.Assign CS extension code 60 for malignant meningioma with extension to adjacent brain tissue.

According to the I&R, this section of CS was taken directly from SEER Summary Staging, since AJCC does not have a staging system for these tumors.

For cases diagnosed prior to 1/1/2010:Follow the instructions in the SEER manual on pages 1-4 to determine reportability.

Code the histology using all information available for the case. If the clinician reviews the case and states a particular histology based on his/her review, code that histology.

The clinician has access to all of the information available for this case. He/she uses his/her expertise to form a clinical diagnosis.

For cases diagnosed 1/1/10 and later, 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 cases diagnosed 2007 or later:

These three tumors are three separate primaries. Rule M12 applies.

According to the 2007 MP/H rules, tubular carcinoma is not a type of duct carcinoma.

Among the paramount reasons for writing the MP/H rules are the non-standard usage of nomenclature by physicians and the inconsistency in interpretation of these non-standard phrases. The MP/H rules must be applied consistently by each cancer registrar in order for data to be comparable across registries.

Assign code 7 [Spanish surname only] when the last name is on the Spanish Surname list. This includes cases for which the birthplace is Brazil, Portugal or the Philippines and there is no text to further clarify ethnicity.

The instruction to use code 0 [Non-Spanish/Non-Hispanic] in the SEER manual on page 51 (#2) applies when the only information available is the birthplace or a statement of "Portuguese," "Brazilian" or "Filipino."

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.According to the American College of Surgeons I & R system, assign code 10 [confined to site of origin] for intraepithelial carcinoma of the retroperitoneum.