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。有时肿瘤不会在方带着不产危害。们破坏了部分们方，然后身体转移到其方，在那里开始新长，并导致更多破坏。