The Three-Inch Clinic

The world has three inches: one inch for gods, one for ghosts, and one for humans. Once, within those three inches, there was no god, ghost, or human that the Three-Inch Clinic could not cure. Now, the Three-Inch Clinic has vanished without a trace. When it hangs its sign and returns to the world once more, what kind of turmoil will it stir up...?