NAACCR Item #3815: Bone Invasion

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Item # Length Source of Standard Year Implemented Version Implemented Year Retired Version Retired Column #
3815 1 NAACCR 2018 18 1950 - 1950

NAACCR XML: Tumor.boneInvasion

Bone invasion, the presence or absence of bone invasion based on imaging, is a prognostic factor for soft tissue sarcomas.
Bone Invasion is a Registry Data Collection Variable in AJCC. This data item was previously collected for Soft Tissue, SSF# 3.
0 Bone invasion not present/not identified on imaging
1 Bone invasion present/identified on imaging
8 Not applicable: Information not collected for this case
(If this information is required by your standard setter, use of code 8 may result in an edit error.)
9 Not documented in medical record
Bone invasion not assessed or unknown if assessed
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.