RX Summ Systemic/Surgery Sequence


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


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