After all of their hardwork, Meredith and Jo make a breakthrough in their polymer mini liver research.

Arizona and Owen make an unexpected team, but they're a successful one when they investigate a doctor who is lying to patients and treating them for cancer they don't have.

Richard's sponsor is dying, and he and Amelia have an AA meeting with her after Richard comes to grips with her diagnosis.

Arizona has a health scare, and she enlists the help of April and Owen to figure it all out on Grey's Anatomy Season 14 Episode 18.

Amelia and Tom will join forces once again to perform a groundbreaking surgery using ultrasound waves in hopes of removing a tumor from a young patient. Chances are, it will be for Kimmie. DeLuca is scheduled to work with them, but Alex will likely make his presence known.