Table 2: T stage distribution of malignant tumours for patients involved in the study. Brackets contain numbers of open surgeries, laparoscopic surgeries, and robot-assisted surgeries, respectively.

T stageLocalisationTotal
Caecum and ascending colonSigmoid colonDescending colon and transversumRectumGasterIntestine

T11 (1/-/-)1 (1/-/-)2 (2/-/-)
T22 (2/-/-)2 (2/-/-)1 (-/1/-)4 (-/2/2)2 (1/1/-)11 (5/4/2)
T312 (3/8/1)14 (3/11/-)6 (4/2/-)4 (2/2/-)1 (-/-/1)1 (1/-/-)38 (13/23/2)
T411 (8/3/-)8 (6/2/-)9 (7/2/-)5 (5/-/-)2 (-/1/1)35 (26/8/1)