Behavior ICD-O-3
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 |
| Behavior | Description |
|---|---|
| 0 | Benign |
| 1 | Uncertain Benign/Malig |
| 2 | In Situ |
| 3 | Malignant Primary |