Like, I get the cancers that attack vital organs, like lung cancer, but, how exactly does, for example, skin or breast cancer?
In: Biology
Cancerous cells originating in non-vital organs can travel around the body via the circulatory or lymphatic systems. They can then land in vital organs, like the lungs or the brain, and start growing new tumors there. This is called metastasis.
It is possible to have a benign tumor in a non-vital organ which is incapable of metastasizing. These can even grow very large without being life-threatening.
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