Cancer cells differ from normal cells in many ways that allow them to grow out of control and become invasive. One important difference is that cancer cells are less specialized than normal cells. That is, whereas normal cells mature into very distinct cell types with specific functions, cancer cells do not.
The worst time of cancer is Lung cancer from what I learned.
Btw, if you’re gonna use my answer pls switch up the words so it isn’t plagiarized, ily and i don’t want u to get a bad grade:)