Table 3 The expression of IDO in primary tumors and matched lymph node metastases (N = 41)
From: The paradoxical patterns of expression of indoleamine 2,3-dioxygenase in colon cancer
| Â | IDO expression | P value | |||
|---|---|---|---|---|---|
| Â | - | + | ++ | +++ | Â |
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 | Â |