Plane of Surgery
TNM stage Muscularis
propria
Intra-
mesorectal
Mesorectal
I
8% 2% 0%
II
6% 2% 5%
III
20% 14% 6%
Local Recurrence rates in CRO7 according the
plane of surgery
Quirke P et al Lancet. 2009 Mar 7; 373(9666): 821–828