TLR3 expression was scored using a semiquantitative method based on the percentage of positive cells of the total number of cancer or immune cells in the sample (0 = no positive cells; 1 ≤ 25%; 25% < 2 ≤ 50%; 50% < 3 ≤ 75%; 4 > 75%) (Supplementary Fig. 1). Here, TLR3 is linked to cancer.