CS Lymph Nodes--Breast: Now that code 50 [fixed/matted ipsilateral axillary LNS, NOS] is obsolete, how is this field coded for a case in which there are clinically matted lymph nodes, no neoadjuvant therapy, and no lymph node size on the available pathology report?
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.
CS Lymph Nodes--Breast: Is it better to code to 26 [Stated as N1, NOS] or 28 [Stated as N2, NOS] instead of 60 [Axillary/regional lymph nodes, NOS; Lymph nodes, NOS] when the only information in the medical record is the TNM N1 or N2 physician stage?
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: Clarify the use of code 25 [Movable axillary lymph node(s), ipsilateral, positive with more than micrometastasis (i.e., at least one metastasis greater than 2 mm)] vs code 60 [Axillary/regional lymph node(s), NOS; Lymph nodes NOS] when surgically removed lymph nodes are positive but the size of the metastasis is not stated. See Discussion.
CS Lymph Nodes--Breast: Are small isolated tumor emboli occasionally found in lymph node capsular or pericapsular lymphatics sufficient to code as a lymph node metastasis?
CS Lymph Node Examined--Lung: How is this field coded when a mediastinoscopy and lobectomy are performed and the pathology report indicates multiple lymph node fragments were removed as biopsy specimens and the lobectomy specimen revealed 3 interlobar lymph nodes?
CS Extension/Histology (Pre-2007)--Melanoma: When do the terms "regression is present," "apparent regression," or "undergoing regression" affect the coding of melanoma cases? See Discussion.
CS Extension/Histology (Pre-2007)--Breast: Paget disease with underlying DCIS. How should CS Extension, SEER Summary Stage 2000, histology, and behavior be coded?
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