Multiple Primaries--Lymphoma: How many primaries should we abstract when Single Versus Subsequent Primaries table indicates one primary but special pathological studies indicate two primaries? See Description.
EOD-Clinical Extension--Prostate: Should this field be coded to 15 [Tumor identified by needle biopsy for elevated PSA] or 30 [Localized, NOS] when the only information is from a biopsy positive pathology report that includes the clinical history of "PSA elevated, DRE negative," with no mention of an ultrasound being performed?
Multiple Primaries (Pre-2007)--Colon: What is the number of primaries for a case of familial polyposis with at least three separate tumors having invasive adenocarcinoma, one in the rectum? See Discussion.
Primary Site--Ovary/Peritoneum: Should this field be coded to ovary or peritoneum when the bulk of the tumor is in the peritoneum and there is only surface involvement of the ovary?
Primary Site--Lymphoma: How should this field be coded when a diffuse large B-cell lymphoma is found in the femur and in the soft tissue of the anterior chest wall but all CT scans are negative for lymphadenopathy?
CS Site Specific Factor 4--Prostate: If PAP is not mentioned in the chart, should Site Specific Factor 4 be coded to 999 [unknown or no information] or 000 [test not done]?
EOD-Lymph Nodes--Breast: When isolated tumor cells are found in an axillary lymph node, should lymph node involvement be coded to 0 [no lymph node involvement] or 1 [micrometastasis (less than or equal to 0.2 cm)]?
EOD-Extension--Lung: Is this field coded to 10 [tumor confined to one lung] or 20 [Tumor involving main stem bronchus >= 2 cm from carina] when there is no mention of the mainstem bronchus and a lobectomy is performed? See Discussion.
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