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Framework that allows defining file formats (layouts) and use them to read and write data files.
Item #
Length
Source of Standard
Year Implemented
Version Implemented
Year Retired
Version Retired
446
2
SEER
2006
11
NAACCR XML: Tumor.multiplicityCounter
Description
This data item is used to count the number of tumors (multiplicity) that are reported as a single primary, when present at the time of diagnosis or occurring later.
Rationale
Patients with multiple tumors reported as a single primary for surveillance purposes may have a worse prognosis or more extensive treatment than patients with a single tumor. This data item will make it possible to identify important information about these cases for data analysis.
Codes (refer to http://seer.cancer.gov/tools/mphrules/index.html for additional instructions).
00 No primary tumor identified 01 One tumor only 02 Two tumors present; bilateral ovaries involved with cystic carcinoma 03 Three tumors present .. .. 88 Information on multiple tumors not collected/not applicable for this site 89 Multicentric, multifocal, number unknown 99 Unknown if multiple tumors; not documented Blank Information not collected for this diagnosis date (e.g., all cases diagnosed prior to 2007)
Note: Codes 00 and 89 were added effective for 2011.