What is this red bump on my cupid’s bow? Blood vessel has been hit during lip filler (Photo)

I had lip fillers 4 weeks ago & they hit a blood vessel.It was so painful for days My lip and end of my nose was numb for days.All seems to be healed 4 weeks later but where the bruise was on my Cupid’s bow is a red lump that is more obvs when I smile.who has done the fillers says she cannot dissolve yet as the area is still red. Does anyone know what this lump is?is it true you cant dissolve while the area is red?Do you think it’s scar tissue & if it is will it heal or am I stuck like this?