From: Inter-relationship between microsatellite instability, thymidylate synthase expression, and p53 status in colorectal cancer: implications for chemoresistance
MSI status
p53 status
TS status
Low
High
Total
All tumours
+
86
158
244
-
96
101
197
182
259
441*
MSI tumours
8
15
23
21
42
29
36
65**
MSS tumours
78
143
221
75
80
155
153
376***