If you have cancer in a certain organ (like liver cancer) why can’t you just remove the infected organ and be cancerfree again?

Question

If you have cancer in a certain organ (like liver cancer) why can’t you just remove the infected organ and be cancerfree again?

In: Biology

Answer 1

You can. They cut out my thyroid with the cancer, no cancer now.

But cancer can travel, or come back. Also, most organs you die without, so it’s not a great option. Plus the cancer can be in a location that could be hard to get at.