Code | Description | TNM | SS77 | SS2000 |
---|---|---|---|---|
00 | In situ; noninvasive; intraepithelial | Tis | IS | IS |
10 | Invasive tumor on one side confined to mucoperiosteum (stroma) | * | L | L |
30 | Localized, NOS | * | L | L |
40 | Tumor crosses midline | * | L | L |
50 |
|
* | RE | RE |
70 |
|
T4a | RE | RE |
74 |
|
T4a | D | D |
76 | Pterygoid plate | T4b | D | D |
80 | Further contiguous extension | T4b | D | D |
95 | No evidence of primary tumor | T0 | U | U |
99 |
|
TX | U | U |
* For Extension codes 10, 30, 40, and 50 ONLY, the T category is assigned based on the value of CS Tumor Size, as shown in the Extension Size Table for this site.