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For cases diagnosed prior to 1/1/2010, 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 the primary site C496 [Connective, subcutaneous and other soft tissue of trunk]. When lymphoma is present in an extranodal organ/site and in that organ/site's regional lymph nodes, code the extranodal organ/site as the primary site. In this case, there is a soft tissue paraspinal mass at T12 extending into iliac fossa, left psoas muscle and bone. Lymph nodes are also involved. Assign CS extension code 21 [Direct extension to adjacent organs or tissues].

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 prior to 1/1/2010:The 2008 diagnosis is not a new primary according to the Definitions of Single and Subsequent Primaries for Hematologic Malignancies (the tri-fold heme table) using the pathology report diagnosis from the facility where the procedure was performed (Hospital A). Since Hospital A disagreed with the slide review and did not amend their diagnosis based on the slide review, do not use the slide review diagnosis in this case.

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:

Code the histology 8140 [Adenocarcinoma, NOS] using Breast rule H14.

Code the histology from the final diagnosis on the pathology report of the most representative specimen (the lumpectomy in this case). Do not code histology from the microscopic description. Code the histology from the primary site whenever available, not the metastatic site.

Comments on pathology reports can be used to code histology. However, in this case the final diagnosis is more definitive than the comments. The comment provides several choices and none of these appear in the final diagnosis; an indication that the pathologist was not able to clearly identify a more specific type in this case.

The histology code for basal cell carcinoma with skin appendage differentiation is 8098/3. Basal cell carcinomas (8090-8110) are not reportable to SEER. Skin appendage tumors are not reportable to SEER unless stated to be carcinoma or stated to be malignant.

According to our pathologist consultant, basal cell carcinoma with focal skin appendage differentiation is basal cell carcinoma which exhibits adnexal (appendage) features, but it is still basal cell carcinoma.

The case example above is not reportable to SEER.

For cases diagnosed 2007 or later, Rule M7 pertains to renal pelvis, ureter, bladder and other urinary sites as defined by the topography codes listed in the header of these rules.

An invasive urothelial bladder tumor followed more than three years later by an in situ TCC of the ureter are reported separate primaries. Rule M8 applies when the tumors in these sites are diagnosed within three years of each other.

Code the primary site esophagus, NOS [C159]. Use the surgery codes and collaborative staging schema for esophagus. Document the unusual nature of this case in text fields.

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 the stated tumor size rather than 997. Code 997 does not take precedence over tumor size at this time. According to CoC, the instructions in the CS Manual, Part I-27, rule 5c are to alert the user to special circumstances. Code 997 is not included because it is not diffuse for all of the sites listed. The site-specific rules and codes in the schema always take precedence. Further instructions and clarifications will be added to the lung schema, CS Manual Part II-317 in the next version of CS.

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 code "6" for the CS LN evaluation field. As explained on page 113 in the 2007 SEER Manual, when post-operative disease is more extensive despite neoadjuvant therapy, this can be coded in the evaluation field. In this case, only an FNA was done on lymph nodes pre-operatively, but actual lymph nodes were removed and documented in the post-neoadjuvant excision of the lymph nodes which documented that they are histologically positive -- proving that the neoadjuvant therapy did not work.

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 CS tumor size 999 [Unknown; size not stated]. The size of the tumor is not known in this case.

Note that tumor size is not used for AJCC staging for ovary.