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MalvinBrook · 07-26-2013, 05:39 AM

More dangerous, or malignant, tumors form when two things occur:

a cancerous cell manages to move throughout the body using the blood or lymph systems, destroying healthy tissue in a process called invasion

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MalvinBrook Junior Member Offline Posts: 10 Join Date: Jul 2013	07-26-2013, 05:39 AM More dangerous, or malignant, tumors form when two things occur: a cancerous cell manages to move throughout the body using the blood or lymph systems, destroying healthy tissue in a process called invasion