Learn how to say Invasive correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word invasive:
of or relating to an invasion, intrusion, etc
relating to or denoting cancer at the stage at which it has spread from its site of origin to other tissues
(of surgery) involving making a relatively large incision in the body to gain access to the target of the surgery, as opposed to making a small incision or gaining access endoscopically through a natural orifice