| CLIN |
PATH |
DEFINITIONS |
| |
|
PRIMARY TUMOR (T) |
|
|
|
TX |
Primary tumor cannot be assessed |
|
|
|
T0 |
No evidence of primary tumor |
|
|
|
T1 |
Tumor limited to the organ or tissue of origin |
|
|
|
|
T1a |
Tumor 5 cm or less in greatest dimension |
|
|
|
|
T1b |
Tumor more than 5 cm in greatest dimension |
|
|
|
T2 |
Tumor invades contiguous organs or tissue(s) and/or with adjacent malignant effusion |
|
|
|
|
T2a |
Tumor 5 cm or less in greatest dimension |
|
|
|
|
T2b |
Tumor more than 5 cm in greatest dimension |
| |
|
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 |
Distast metastasis |
| |
|
PRIMARY TUMOR (pT) |
|
|
|
pTX |
Primary tumor cannot be assessed |
|
|
|
pT0 |
No evidence of primary tumor |
|
|
|
pT1 |
Tumor limited to organ or tissue of origin; excision complete and margins histologically free |
|
|
|
pT2 |
Tumor invades beyond the organ or tissue or origin; excision complete and margins histologically fress |
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|
|
pT3 |
Tumor invades beyond the organ or tissue of origin; excision complete and margins histologically free |
|
|
|
|
pT3a |
Microscopic residual tumor |
|
|
|
|
pT3b |
Macroscopic residual tumor or adjacent malignant effusion |
|
|
|
|
pT3c |
Surgical exploration tumor not resected |
| |
|
LYMPH
NODE (pN) |
|
|
|
pNX |
Regional lymph nodes cannot
be assessed |
|
|
|
pN0 |
No regional lymph node
metastasis |
|
|
|
pN1 |
Regional lymph node metastasis |
|
|
|
|
pN1a |
Regional lymph node metastasis completely resected |
|
|
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|
pN1b |
Regional lymph node metastasis incompletely resected |
| |
|
DISTANT METASTASIS (pM) |
|
|
|
pMX |
Presence of distant metastasis cannot be assessed |
|
|
|
pM0 |
No distant metastasis |
|
|
|
pM1 |
Distast metastasis |