english: For a tumor to break out of the tissue that it's born in, it has to make chemicals called enzymes to chew through the scaffolding of tissues.
non_english: Aby sa nádor vymanil z tkaniva, v ktorom vznikol, musí vyrábať látky nazývané enzýmy, aby sa „prehrýzol“ cez „lešenie“ tkanív, ktoré ho obklopuje.