TLR9 and cancer: It's worth noting that TLR1, TLR2, TLR3, TLR7, TLR8, and TLR9 were adversely connected with RNAss in the majority of cancers, but favourably correlated with RNAss in a very small number of tumours (KIRC, MESO, LAML, CHOL, KICH and THYM).