Smoking and Risk of Colorectal Cancer Sub-Classified by Tumor-Infiltrating T Cells. Hamada T, Nowak JA, Masugi Y, et al. Smoking and Risk of Colorectal Cancer Sub-Classified by Tumor-Infiltrating T Cells. J Natl Cancer Inst. 2019;111(1):42-51. doi:10.1093/jnci/djy137 Read more