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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

  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