| CLIN |
PATH |
DEFINITIONS |
| |
|
PRIMARY
TUMOR (T) |
|
|
|
TX |
Primary tumor cannot be assessed |
|
|
|
T0 |
No evidence of primary tumor |
|
|
|
Tis |
Carcinoma in situ |
|
|
|
T1 |
Tumor of any size, not invading the tarsal
plate or, at the eyelid margin, 5 mm or less in greatest
dimension |
|
|
|
T2 |
Tumor invades tarsal plate or, at the eyelid
margin, more than 5 mm but not more than 10 mm in
greatest dimension |
|
|
|
T3 |
Tumor involves full eyelid thickness or, at
the eyelid margin, more than 10 mm in greatest dimension |
|
|
|
T4 |
Tumor invades adjacent structures |
| |
|
LYMPH
NODE (N) |
|
|
|
NX |
Regional lymph nodes cannot be assessed |
|
|
|
N0 |
No regional lymph node metastasis |
|
|
|
N1 |
Regional lymph node metastasis |
| |
|
DISTANT METASTASIS
(M) |
|
|
|
MX |
Presence of distant metastasis cannot be
assessed |
|
|
|
M0 |
No distant metastasis |
|
|
|
M1 |
Distant metastasis |