Invasiveness. Sometimes tumors do not stay harmlessly in one place. They destroy the part of the body in which they originate and then spread to other parts where they start new growth and cause more destruction.

侵袭性。有时肿瘤会在一个地方带生危害。们破坏们诞生的地方，然后身体转移到其地方，在那里开始新的生长，并导致更多的破坏。