Behavior ICD-O-3

This input is used for staging

Notes

See the [SEER Program Coding Manual](https://seer.cancer.gov/tools/codingmanuals/index.html) for coding instructions.

NAACCR Item

NAACCR #523
Behavior Description
0 Benign
1 Uncertain Benign/Malig
2 In Situ
3 Malignant Primary