3D-printed Lungs

It's not science fiction anymore; although it will probably take some more time to come up with fully-functioning, implantable 3D-printed organs, the idea of using them for modeling and preparation is here. The next big challenge is to make this technology affordable - we don't want an Elysium situation here, right?

https://futurism.com/new-synthetic-human-lung-is-quite-literally-a-breath-of-fresh-air/