CS Extension
Notes
**Note 1**: Plasmacytomas (9731 and 9734) and Multiple Myeloma (9732) have been moved to the MyelomaPlasmaCellDisorder schema effective with CS version 2: 0203 **Note 2**: For histologies listed in code 100 it is possible to have lymph node involvement; however, at this time, lymph node invovement for these histologies is not collected.| Code | Description | AJCC 7 T | AJCC 6 T | Summary Stage 1977 T | Summary Stage 2000 T |
|---|---|---|---|---|---|
| 100 | Localized disease: (Single/solitary/unifocal/isolated): May be coded for: Mast cell sarcoma (9740) Malignant histiocytosis (9750) Langerhans cell histiocytosis (9751) Histiocytic sarcoma (9755) Langerhans cell sarcoma (9756) Dendritic cell sarcoma (9757, 9758) Myeloid sarcoma (9930) |
NA | NA | L | L |
| 800 | Systemic disease (All histologies including those in 100) |
NA | NA | D | D |
| 999 | Unknown; extension not stated Primary tumor cannot be assessed Not documented in patient record |
NA | NA | D | D |