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:** Codes 1-4 take priority over L and H. **Note 4:** G4 includes anaplastic. **Note 5:** Code 9 when * Surgical resection is done after neoadjuvant therapy and grade from primary site is not documented * Surgical resection is done after neoadjuvant therapy and there is no residual cancer * Grade checked "not applicable" on CAP Protocol (if available) and no other grade information is availableNAACCR Item
NAACCR #3845Metadata
SSDI| Code | Description |
|---|---|
| 1 | G1: Well differentiated (low grade) |
| 2 | G2: Moderately differentiated (low grade) |
| 3 | G3: Poorly differentiated (high grade) |
| 4 | G4: Undifferentiated (high grade) |
| L | Stated as "low grade" NOS |
| H | Stated as "high grade" NOS |
| 9 | Grade cannot be assessed (GX); Unknown |
| <BLANK> | See Note 1 |