Grade, Differentiation--Bladder: If the only indication of grade for a bladder primary is "grade 2, NOS," and we do not know the grading system being used by the pathologist, is the numeric grade 2 coded?
Reportability/Behavior--Thymus: Are "lymphocyte predominant thymoma with microscopic capsule invasion" and "Polygonal epithelial cell thymoma with invasion of the lung and pericardial fat" reportable?
Reportability/Recurrence (Pre-2007)--Bladder: If a patient has had recurrent invasive bladder cancers since 1971, should the latest recurrence in 2003 be SEER reportable because the case has yet to be reported to SEER?
Primary Site--Breast: If a patient has multifocal tumors all in the upper outer quadrant of the breast, is the primary site coded to C-504 because all of the tumors are in UOQ or would the site be coded to C509 to reflect the fact that multiple tumors exist?
CS Extension/CS Site Specific Factor--Breast: How is extension (localized or unknown) and SSF6 (entire tumor in situ or 888) coded for an in situ breast primary in which bone metastasis is diagnosed 4 months following the mastectomy? See Discussion.
CS Lymph Nodes--Breast: How is this field to be coded if the pathologist staged the case pN1a and the lymph node is stated to be negative on H&E, is .3 cm on IHC stain for pancytokeratin but on review of smears shows no malignant cells?
CS Lymph Nodes--Breast: Must there be a statement of "moveable" present to code 25 in this field and if a lymph node is not stated to be "fixed" is it presumed to be moveable? Please provide an example in your answer of when to use code 25.
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