Grade Post Therapy
Notes
**Note 1:** Leave post-therapy grade blank when
* No neoadjuvant therapy
* Clinical or pathological case only
* There is only one grade available and it cannot be determined if it is clinical, pathological or post-therapy
**Note 2:** Assign the highest grade from the resected primary tumor assessed after the completion of neoadjuvant therapy.
**Note 3:** The grading system for this chapter is based on histology
* Immature teratomas and serous carcinomas, codes L and H
* All other histologies: Code 1-3 if a nuclear grade is documented, otherwise code 9.
* If your registry collects ovarian borderline tumors (/1), code “B” for grade.
**Note 4:** G3 includes anaplastic.
**Note 5:** Code 9 when
* Surgical resection is done after neoadjuvant therapy and grade from the primary site is not documented
* Grade checked “not applicable” on CAP Protocol (if available) and no other grade information is available
Metadata
SSDI
| Code |
Description |
| 1 |
G1: Well differentiated |
| 2 |
G2: Moderately differentiated |
| 3 |
G3: Poorly differentiated, undifferentiated |
| B |
GB: Borderline Tumor |
| L |
Low grade |
| H |
High grade |
| 9 |
Grade cannot be assessed (GX); Unknown |
| <BLANK> |
See Note 1 |
