Grade Post Therapy Clin (yc)
Notes
**Note 1:** Leave Grade Post Therapy Clin (yc) blank when * No neoadjuvant therapy * Clinical or pathological case only * Neoadjuvant therapy completed, no microscopic exam is done prior to surgery/resection of primary tumor * There is only one grade available and it cannot be determined if it is clinical, pathological, post therapy clinical or post therapy pathological **Note 2:** Assign the highest grade from the microscopically sampled specimen of the primary site following neoadjuvant therapy or primary systemic/radiation therapy. **Note 3:** If there are multiple tumors with different grades abstracted as one primary, code the highest grade. **Note 4:** G3 includes anaplastic. **Note 5:** Sarcomatous overgrowth (S) takes priority over L and H * *Example:* Pathology report: Adenocarcinoma with sarcomatous overgrowth, high and low grade - Code Grade to S for the sarcomatous overgrowth **Note 6:** Code 9 (unknown) when * Microscopic exam is done after neoadjuvant therapy and grade from the primary site is not documented * Microscopic exam 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 available| Code | Description |
|---|---|
| 1 | G1: Well differentiated |
| 2 | G2: Moderately differentiated |
| 3 | G3: Poorly differentiated or undifferentiated |
| L | Low grade |
| H | High grade |
| S | Sarcomatous overgrowth |
| 9 | Grade cannot be assessed (GX); Unknown Not applicable |
| <BLANK> | See Note 1 |