english: And it's only in the last 10 years or so that we've begun to think about using the immune system, remembering that in fact the cancer cell doesn't grow in a vacuum.
non_english: Len asi tak pred 10 rokmi sme začali  premýšľať o využití imunitného systému, pretože sme si spomenuli,  že rakovinové bunky nerastú vo vákuu.