Prospective Study
Copyright ©The Author(s) 2021.
World J Gastrointest Oncol. Dec 15, 2021; 13(12): 2190-2202
Published online Dec 15, 2021. doi: 10.4251/wjgo.v13.i12.2190
Table 3 The surgical margin of different tumor diameter groups
Tumor diameterSurgical margin (cm)

AR
NAR
P value
D ≤ 2 cm3.5 ± 5.81.6 ± 0.50.048
2 cm < D ≤ 5 cm2.0 ± 2.30.7 ± 0.5< 0.001
D > 5 cm0.6 ± 1.00.7 ± 0.40.491