It can. When we detect cancer we either cut it out, bombard it with radiation until it dies, or we give the body a dose of chemicals that kill any weak cells (chemotherapy).
This works really well if the cells are lumped together in a group (such as a tumor) but it’s not always that straightforward.
Some cancers tend to spear themselves thinly over a big area (e.g lung cancer). And cancers which develop in certain places are prone to end up all over your body (lymph nodes and pancras).
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