Table 1: Characteristics of patients.

Parameter

Median age66 (42–77)
Gender: male/female15/5
Median body mass index (kg/m2)25.3 (16.9–31.2)
Preoperative TNM staging
 T3N0M08
 T3N1M09
 T3N2M02
 T3N3M11
ISR
 Partial/subtotal/total15/1/4
Median duration of TARD (min)83 (43–135)
 Male89 (50–135)
 Female81 (43–97)
Postoperative TNM staging
 ypT2N0M01
 ypT3N0M01
 pT2N0M04
 pT2N1M02
 pT3N0M07
 pT3N1M02
 pT3N2M02
 pT3N2M11
Median tumor size (mm)42 (15–75)
Median circumferential rate of tumor (%)66 (27.7–90)
Median distal margin (mm)22.5 (7–40)

ISR: intersphincteric resection.