303 | James P. Allison on Fighting Cancer with the Immune System

410.421 - 443.25 James P. Allison

And then now it's lung versus, you know, colon or bladder versus prostate or whatever. But then with the advent of genomic sequencing and everything, the tendency was to attribute them to the causation. First, crudely, obviously carcinogen-induced and obviously virus-induced or something, although viruses are a tiny fraction of it. It's not zero, but that's not the main thing.