模式图参考文献:ChenC, Luo Y, He W, Zhao Y, Kong Y, Liu H, Zhong G, Li Y, Li J, Huang J, Chen R,Lin T. Exosomal long noncoding RNA LNMAT2 promotes lymphatic metastasis in bladder cancer. J Clin Invest. 2019 Oct 8. pii: 130892. doi:10.1172/JCI130892. [Epub ahead of print]