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Table 4 Oncological outcomes

From: Transanal down-to-up dissection of the distal rectum as a viable approach to achieve total mesorectal excision in laparoscopic sphincter-preserving surgery for rectal cancer near the anus: a study of short- and long-term outcomes of 123 consecutive patients from a single Japanese institution

 

Total (N=123)

TARD (n=50)

TaTME (n=73)

P-value

TME

   

0.896

 Complete

119 (96.7)

48 (96.0)

71 (97.3)

 

 Nearly complete

4 (3.3)

2 (4.0)

2 (2.7)

 

 Incomplete

0 (0)

0 (0)

0 (0)

 

CRM

 Positive, n (%)

0 (0)

0 (0)

0 (0)

 

 Negative, n (%)

123 (100)

50 (100)

73 (100)

 

DM

   

1.00

 Positive, n (%)

1 (0.8)

0 (0)

1 (1.4)

 

 Negative

122 (99.2)

50 (100)

72 (98.6)

 

 Distancea mm (range)

15 (0.5–45)

20 (3–45)

15 (0.5–45)

0.112

Final stage, n (%)

   

0.874

 I

52 (42.3)

22 (44.0)

30 (41.1)

 

 II

33 (26.8)

12 (24.0)

21 (28.8)

 

 III

31 (25.2)

12 (24.0)

19 (26.0)

 

 IV

2 (1.6)

1 (2.0)

1 (1.4)

 

 pCR

5 (4.1)

3 (6.0)

2 (2.7)

 
  1. CRM circumferential resection margin, DM distal resection margin, pCR pathological complete response, TARD transanal rectal dissection, TaTME transanal total mesorectal excision
  2. a Median