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NAACCR Data Dictionary
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Version 26
Data Item #3908: Percent Necrosis Post Neoadjuvant

* indicates required field

Length: 5
Source of Standard: NAACCR
Section Name: Stage/Prognostic Factors
Year Implemented: 2018
Version Implemented: 18
Record Types: A, M, C, I

XML NAACCR ID: percentNecrosisPostNeoadjuvant

Parent XML Element: Tumor

Required Status:

NPCR Collect: . - No recommendations
CoC Collect: . - No recommendations
SEER Collect: . - No recommendations
CCCR Collect: RH* - Historically collected and currently transmitted when available

Description:

Percent Necrosis Post Neoadjuvant is a prognostic factor for bone sarcomas.

Rationale:

Percent Necrosis Post Neoadjuvant is a Registry Data Collection Variable for AJCC. It was previously collected as Bone, CS SSF# 3.

Item Data Type:

text

Allowable Values

0.0, 0.1-100.0, XXX.2, XXX.8, XXX.9

Codes:

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

Code Notes:

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.