From: Utility of the sentinel node concept for detection of lateral pelvic lymph node metastasis in lower rectal cancer
Tumor depth
upper-middle (n = 22)
lower (n = 36)
P-value
clinical
T1
(n = 14)
0 (0/7)
0.0074
T2–4
(n = 44)
13.3% (2/15)
37.9% (11/29)
pathological
(n = 18)
0 (0/8)
10% (1/10)
0.0032
(n = 40)
14.3% (2/14)
38.5% (10/26)