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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 Primary Site to C779 [Lymph node, NOS]. In this case, there is no statement that lymphoma involves the lung. "Nonspecific parenchymal lung nodules" are not indicative of lymphoma involvement. Consequently, this cannot be assumed to be an extra-nodal lymphoma. Additionally, it is not clear whether or not the "borderline" pelvic lymph nodes are involved. If the physician cannot provide more information, follow instruction 4.e in the SEER manual on page 72.

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.When CS lymph nodes is coded 13-15, SSF 3 must be coded 000. Follow the instruction in the SSF 3 Note: Use code 000, No lymph node metastases, if ... there are satellite nodules or in-transit metastases, but no regional lymph node metastases, i.e., CS Lymph Nodes is coded 13-15.

For this case, assign CS lymph node code 15 [Satellite nodule(s) or in-transit metastases greater than 2cm from primary tumor WITHOUT regional lymph node involvement or involvement of regional nodes not stated]. The arm lesion is more than 2cm from the leg lesion.

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 regional lymph nodes positive 01 [one positive lymph node] and regional lymph nodes examined 01 [one lymph node examined] (assuming the positive node was the only node examined).

If the only lymph node involvement is the positive axillary lymph node, it is reasonable to conclude that this is a regional lymph node. When only one chain of lymph nodes is involved with metastatic melanoma, the metastatic cells had to come from skin with direct drainage to those lymph nodes.

For cases diagnosed prior to 1/1/2010:Two primaries should be abstracted. Using the Definitions of Single and Subsequent Primaries for Hematologic Malignancies table, compare 9670 (SLL) in 2005 and 9987 (MDS secondary to chemo) in 2006. This is two primaries.

MDS can transform to AML. On the Definitions of Single and Subsequent Primaries for Hematologic Malignancies table, 9987 (MDS) and 9861 (AML) are a single primary. The AML would be documented in follow-up. (While 9670/SLL and 9861/AML are two different primaries, the SLL has already been reported.)

RAEB is a form of MDS. On the Definitions of Single and Subsequent Primaries for Hematologic Malignancies table, 9987 (MDS) and 9983 (RAEB) are a single primary. The RAEB would be documented in follow-up. (While 9670/SLL and 9983/RAEB are two different primaries, the SLL has already been reported.)

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, this case is a single primary. The chest wall (NOS) is a metastatic site for breast cancer. There is no mention of residual breast tissue, so the 2008 diagnosis cannot be a new primary.

"Chest wall" is an ambiguous term. It can mean the internal chest wall or the external chest wall. When the path report states that the "recurrence" is in residual breast tissue, this is most likely the external chest wall and the residual breast tissue is part of the breast not removed by the MRM. In contrast, skin or the chest wall, NOS, are regional metastases.

For cases diagnosed prior to 1/1/2010:Assign histology code 9823/3 [Chronic lymphocytic leukemia]. Plasmacytic differentiation does not indicate a plasma cell or plasmacytic leukemia.

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.