IL10 and lung cancer: In addition, there seems to be a relation between IL-10 levels and therapeutic success as a comparison of IL-10 levels in lung cancer patients treated with either radiotherapy or chemotherapy revealed that IL-10 values were significantly increased in non-responders, whereas they were decreased in responders (Wojciechowska-Lacka et al., 1996; de Vita et al., 2000; Hatanaka et al., 2000).