A clearer picture would help, but I don't see any signs of belly rot. What about her belly has you worried? If you're seeing a pinkish hue, she is most likely just going into shed.....
Didnt know much about her shes a rescue i did some more research and questions it turns out to be her color females have a pink haze that turns red males are mainly white under
-Sean
Its always easier to ask questions to prevent an issue than it is to fix an issue..
1.0.0 Bearded Dragon
0.1.0 Citrus Pastel Ball Python Het Ghost
0.0.1 Normal Ball Python
0.1.0 Mexican Black King Snake (Spotted Yellow)
0.1.0 Colombian Red Tail Boa BCI