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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.Assign CS Mets at DX code 40 [Distant metastases] for a pineal gland primary with positive cerebral spinal fluid.

For cases diagnosed prior to 1/1/2010:

Report this case as one primary according to the physician's opinion. Code the histology as 9699/3 [marginal zone B-Cell lymphoma, NOS] and code the date of diagnosis as 2000.

Code the physicians opinion regardless of whether or not it agrees with the Single Versus Subsequent Primaries of Lymphatic and Hematopoietic Diseases table. Use the table when the physician does not state whether or not there is a new primary.

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.

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 Mets Eval for the example above 3 [path exam of metastatic tissue] assuming there has been no pre-treatment. Positive cytology is required for confirmation of pleural effusion for an ovarian primary.

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.

First, determine whether the bone mets in this case are progression of disease. If the patient was asymptomatic at the time of the mastectomy, the bone mets are disease progression, not initial stage.

If the initial stage includes the bone mets and they are not disease progression, extension must be coded to at least 10. Code site-Specific Factor 6 to 040 [Size of entire tumor coded, size of invasive component not stated].

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.Include all nodes examined by the pathologist in Regional lymph nodes positive and Regional lymph nodes examined, unless there is disease progression. These fields are cumulative -- record the total number of regional nodes positive and examined during first course of treatment. Preoperative treatment does not affect the coding of these fields.

An FNA alone, positive for regional lymph node metastasis is coded as 95 for number positive and 95 for number examined.

For the case examples above, assuming there has been no disease progression, include all nodes positive and all nodes examined from both the FNA and the lymph node dissection in the counts. Code number of regional nodes positive as 01, number examined as 07 for both examples.

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:

Code primary site C349 [Lung]. Code laterality 1 [Right]. Code CS Tumor Size 999 [Unknown]. Code CS Extension 65 [Separate tumor nodules, same lobe]. Code CS Mets at Dx 39 [Separate tumor nodule in contralateral lung].

For tumors diagnosed prior to 2007:

Because this 2003 recurrent bladder cancer was initially diagnosed prior to 1973, it is not reportable to SEER.

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.

Yes, the term "focal areas" of in situ carcinoma describes a minimal in situ component.

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 Lymph Nodes as negative [00]. The positive stain for pancytokeratin is contradicted by the statement "malignant cells are not identified." See also sinq 20010055.