RX Summ Systemic/Surgery Sequence
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 #1639| RX Summ Systemic/Surgery Sequence | Description |
|---|---|
| 0 | No systemic therapy and/or surgical procedures; unknown if surgery and/or systemic therapy given |
| 2 | Systemic therapy before surgery |
| 3 | Systemic therapy after surgery |
| 4 | Systemic therapy both before and after surgery |
| 5 | Intraoperative systemic therapy |
| 6 | Intraoperative systemic therapy with other therapy administered before and/or after surgery |
| 7 | Surgery both before and after systemic therapy |
| 9 | Sequence unknown, but both surgery and systemic therapy given |