CS Extension--Lymphoma: For lymphoma cases, can extension be coded to 80 [Nodular involvement of lungs] based on imaging or operative findings when there is no positive statement of involvement? See Discussion.
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 Extension/CS Mets at Dx--Lung: How are these fields coded for bilateral pleural effusion for a right lung primary? A code of 72 in the CS Extension field leads to a T4, but bilateral pleural effusion is M1. Should CS Mets at Dx be coded 39?
CS Site Specific Factor--Breast: If there are two ER/PR tests, one positive and one negative, which result should be coded in the SSF fields 1 and 2? See Discussion.
Histology (Pre-2007)/CS Tumor Size/CS Extension--Colon: How are these fields coded if a 3 cm sessile polyp is snared and removed piecemeal during a colonoscopy and the path microscopic description indicates a polypoid lesion with foci of malignant transformation found associated with bundles of smooth muscles followed by a LAR with no residual invasive tumor but the final path diagnosis is stated to be a M.D. adenocarcinoma? See Discussion.
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?
CS Lymph Nodes/CS Mets at DX--Ovary: Are lymph nodes in the pericolic mesentery of the sigmoid that are removed during ovarian cancer debulking surgery, coded as regional or distant? See Discussion.
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