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:** Code the appropriate grade from a resection done after neoadjuvant therapy. **Note 4:** Codes 1-3 take priority over H. **Note 5:** Code 1 for stated as “low grade” only. **Note 6:** G3 includes undifferentiated and anaplastic. **Note 7:** 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 **Note 8:** If you are assigning an AJCC 8th edition stage group * Grade is required to assign stage group * Code H is treated as a G3 when assigning AJCC stage group * An unknown grade may result in an unknown stage groupNAACCR Item
NAACCR #3845Metadata
SSDI| Code | Description |
|---|---|
| 1 | G1: Well differentiated, low grade |
| 2 | G2: Moderately differentiated, high grade |
| 3 | G3: Poorly differentiated, high grade |
| H | Stated as “high grade” only |
| 9 | Grade cannot be assessed (GX); Unknown |
| <BLANK> | See Note 1 |