Table 2

Postoperative pathological response

Total (n=27)pMMR (n=26)dMMR (n=1)
pCR (ypT0N0), n (%)13 (48.1)12 (46.2)1 (100.0)
T category, n (%)
ypT013 (48.1)12 (46.2)1 (100.0)
ypTis1 (3.7)1 (3.8)0
ypT25 (18.5)5 (19.2)0
ypT38 (29.6)8 (30.8)0
N category, n (%)
ypN019 (70.4)18 (69.2)1 (100.0)
ypN16 (22.2)6 (23.1)0
ypN22 (7.4)2 (7.7)0
Pathological stage, n (%)
014 (51.9)13 (50.0)1 (100.0)
I000
II5 (18.5)5 (19.2)0
III8 (29.6)8 (30.8)0
Tumor regression grade, n (%)
013 (48.1)12 (46.2)1 (100.0)
15 (18.5)5 (19.2)0
27 (25.9)7 (26.9)0
32 (7.4)2 (7.7)0
  • dMMR, deficient mismatch repair; pMMR, proficient mismatch repair.