Terminology is a little confusing.
At a very basic level:
non-invasive = echoes, stress test and TEE. Invasive = all of the above + left and right heart catherization
Interventional = all of the above + PCI
Structural = all of the above + tavr, Mitra clip, watchman and so forth
You cannot do stents without interventional training though a lot interventional guys learn structural procedures and can do them.