TLR7 and cancer: TLR7 expression was found to be a significant risk factor for six different forms of cancer: BLCA (HR = 1.33, p < .05), KIRC (HR = 1.66, p < .01), LGG (HR = 2.17, p < .001), KIRP (HR = 2.52, p < .01), and THYM (HR = 3.23, p < .05).