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。有时肿瘤不会一个地带着不产生危害。们破坏了部分们诞生的地，然后身体转移到其地，里开始新的生长，并导致更多的破坏。