Figure 1.
(a) Disease-free survival of 156 patients with rectal cancer who underwent robot-assisted surgery divided into non-elderly (age <70 years) and elderly (age ≥70 years) (P = 0.719). (b) Overall survival of 156 patients with rectal cancer who underwent robot-assisted surgery divided into non-elderly (age <70 years) and elderly (age ≥70 years) (P = 0.390)