Did you know that the liver is the only internal organ that can regenerate? But it doesn’t grow back like a salamander’s tail. When a portion of the liver is removed, the remaining tissue grows bigger. This process is called hypertrophy.

We spoke with surgical oncologist Ching-Wei Tzeng, M.D., to learn what’s happening when a liver regenerates and what factors can impact success. He shared insights on the phenomenon, including...