Histologies Path Stage Table


**Note:** The determination of TNM stage group from T, N, M, and grade for bone depends further on histologic type. This table shows the selection of the appropriate version of the TNM Stage table based on histology.
ICD-O-3 Histology Code Description Stage Table
9260 Ewing sarcoma TNM 7 Path Stage Ewing
9364 Peripheral neuroectodermal tumor TNM 7 Path Stage Ewing
8800-9136, 9142-9252, 9261-9363, 9365-9582 ALL OTHER HISTOLOGIES IN INCLUSION TABLE TNM 7 Path Stage Not Ewing