For example, if someone discovers they have breast cancer or cancer in the liver or something, does that mean that they always had cancer but it was not able to be detected until they discovered they had it? Or is that something that is formed later, and wasn’t always in that person’s body?
In: Biology
iirc, your body makes cancer cells all the time but your immune system gets rid of them immediately. it becomes “cancer” when it gets big enough and fast enough for your immune system to not be able to get rid of it, or your immune system just didnt detect it at all
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