Rectum Flashcards
1
Q
T1
A
tumor invades submucosa, through muscularis mucosae
2
Q
T2
A
tumor invades muscularis propria
3
Q
T3
A
tumor invades through muscularis propria to pericolerectal tissue
4
Q
T4
A
T4a: invades through the visceral peritoneum
5
Q
T4b
A
tumor directly invades or adheres to adjacent organs or structures
6
Q
N1
A
one to three regional lymph nodesN
7
Q
N2
A
N2a: four to six regional lymph nodes
(to correlate: stomach: 3-6: N2, >7:N3)
N2b: seven or more regional lymph node
8
Q
IIIA
A
T1-2, N1
T1N2a
9
Q
IIIB
A
T3-4,N1
T2-3N2a
T1-2N2b