RX Summ Surgery/Radiation Sequence


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


NAACCR #1380
RX Summ Surgery/Radiation Sequence Description
0 No radiation and/or no surgery; unknown if surgery and/or radiation given
2 Radiation before surgery
3 Radiation after surgery
4 Radiation both before and after surgery
5 Intraoperative radiation
6 Intraoperative radiation with other radiation given before and/or after surgery
7 Surgery both before and after radiation
9 Sequence unknown, but both surgery and radiation were given