From: The paradoxical patterns of expression of indoleamine 2,3-dioxygenase in colon cancer
IDO expression | P value | ||||
---|---|---|---|---|---|
- | + | ++ | +++ | ||
Primary tumor (%) |
18 (43.9) |
15 (36.6) |
6 (14.6) |
2 (4.9) | 0.020 |
Metastasis(%) |
27 (65.9) |
14 (34.1) | 0 | 0 |