In diseases such as human cervical cancer [178] eosinophils induce angiogenesis through expression of IL-4, IL-5, IL-10 IL-13 and IL-8) [208,209] and in human non-small-cell lung cancer (NSCLC) [156] (Table 1), through of the inhibition of T and NK cell function by IDO [210]. Here, IDO1 is linked to non-small cell lung carcinoma.