How can you get a tumor?

Answer:
black market has plenty.[/sarcasm]
a tumor is a collection of mutated cells with an error it their DNA happens randomly.
black market has plenty.[/sarcasm]
a tumor is a collection of mutated cells with an error it their DNA happens randomly.
First answer by Naberius. Last edit by Naberius. Contributor trust: 4 [recommend contributor recommended]. Question popularity: 2 [recommend question].