NAACCR Item #3908: Percent Necrosis Post Neoadjuvant

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Item # Length Source of Standard Year Implemented Version Implemented Year Retired Version Retired Column #
3908 5 NAACCR 2018 18 1734 - 1738

NAACCR XML: Tumor.percentNecrosisPostNeoadjuvant

Percent Necrosis Post Neoadjuvant is a prognostic factor for bone sarcomas.
Percent Necrosis Post Neoadjuvant is a Registry Data Collection Variable for AJCC. It was previously collected as Bone, CS SSF# 3.
0.0 Tumor necrosis not identified/not present
0.1-100.0 0.1–100.0 percent tumor necrosis
(Percentage of tumor necrosis to nearest tenth of a percent)
XXX.2 Tumor necrosis present, percent not stated
XXX.8 Not applicable: Information not collected for this case
(If this item is required by your standard setter, use of code XXX.8 will result in an edit error.)
XXX.9 Not documented in medical record
No histologic examined of primary site
No neoadjuvant therapy
No surgical resection of primary site is performed
Each Site-Specific Data Item (SSDI) applies only to selected primary sites, histologies, and years of diagnosis. Depending on applicability and standard-setter requirements, SSDIs may be left blank.