I came in after the fact...and with new photos to view too
@dawg53 and @Eggcessive I'm sure with give their opinions, but it looks like she has Canker. Treatment is with Metronidazole as per Dawg's Post.

@dawg53 and @Eggcessive I'm sure with give their opinions, but it looks like she has Canker. Treatment is with Metronidazole as per Dawg's Post.