Neoadjuvant Therapy
Description
This data item records whether the patient had neoadjuvant therapy prior to planned definitive surgical resection of the primary site.
Notes
This data items provides information related to the quality of care and describes whether a patient had neoadjuvant therapy.
For the purposes of this data item, neoadjuvant therapy is defined as systemic treatment (chemotherapy, endocrine / hormone therapy, targeted therapy, immunotherapy, or biological therapy) and/or radiation therapy before intended or performed surgical resection to improve local therapy and long term outcomes.
See the [SEER Coding Manual](https://seer.cancer.gov/manuals/2023/SPCSM_2023_MainDoc.pdf) for additional information.
Default
9
Metadata
None
| Code |
Description |
| 0 |
No neoadjuvant therapy, no treatment before surgery, surgical resection not part of first course of treatment plan; Autopsy only |
| 1 |
Neoadjuvant therapy completed according to treatment plan and guidelines |
| 2 |
Neoadjuvant therapy started, but not completed OR unknown if completed |
| 3 |
Limited systemic exposure when the intent was not neoadjuvant; treatment did not meet the definition of neoadjuvant therapy |
| 9 |
Unknown if neoadjuvant therapy performed;
Death Certificate only (DCO) |
