" but ligaments don't show up on an x-ray, and if you tore a ligament, you'll need an MRI
to see that. But no one rushes to order expensive tests as the first order of business. The protocol is to treat the obvious, and if, in time, healing isn't what's expected, then you get the MRI and see why.
So go back to your surgeon and find out what's going on with the soft tissue of your ankle.