TNM System of Cancer staging Flashcards
1
Q
Primary tumor cannot be assessed.
[T]
A
TX
2
Q
No evidence of primary tumor.
[T]
A
T0
3
Q
Carcinoma in situ: intraepithelial or invasion of lamina propria.
[T]
A
Tis
4
Q
Tumor invades submucosa.
[T]
A
T1
5
Q
Tumor invades muscularis propria.
[T]
A
T2
6
Q
Tumor invades through muscularis propria into the subserosa or into nonperitonealized pericolic or perirectal tissues.
[T]
A
T3
7
Q
Tumor perforates visceral peritoneum or directly invades other organs or structures.
[T]
A
T4
8
Q
Regional lymph nodes could not be assessed.
[N]
A
NX
9
Q
No regional lymph nodes metastases.
[N]
A
N0
10
Q
Metastases in one to three regional lymph nodes.
[N]
A
N1
11
Q
Metastases in four or more regional lymph nodes.
[N]
A
N2
12
Q
Distant metastases could not be assessed.
[M]
A
M0
13
Q
No distant metastases.
[M]
A
M0
14
Q
Distant metastases.
[M]
A
M1
