NAACCR Item #3908: Percent Necrosis Post Neoadjuvant

Item # Length Source of Standard Year Implemented Version Implemented Year Retired Version Retired
3,908 5 NAACCR 2018 18

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.


0.0Tumor necrosis not identified/not present
0.1-100.00.1-100.0 percent tumor necrosis (Percentage of tumor necrosis to nearest tenth of a percent)
XXX.2Tumor necrosis present, percent not stated
XXX.8Not 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.9Not 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.