Over 1 year since filler was done - can lumps in smile lines and lip area be from migration? (photos)

This is filler migration. Has absolutely nothing to do with your thyroid function. It is caused by the runny filler that are commonly used for lip filling. These low G prime fillers do not hold where they are placed. This has given you "lip shelf." I would recommend totally revising you lip filler but here is the thing, many women like their overfilled lips. Just removing the overfill is very difficult because the underlying fillers are runny. In my opinion these need to be removed and replaced with a higher G prime filler. You need a different injector who understands what they are doing.

It looks like your filler could have migrated. I would recommend to schedule a consultation to dissolve it.

Best of luck !

It may be that your filler has migrated. You can consider having it dissolved with hyaluronidase for improvement. If you do nothing it will gradually improve on its own as the filler is metabolized.