Get onto it sooner than later, @Kim2021 - you don't want to let it get a hold. xx
Your Cancer Centre/Breast Care Nurse may also be able to put you onto a psychologist who is experience in breast cancer side effects.
Also, maybe check out this series of podcasts by a psychologist who went thru BC and all the surgery & side effects ...
https://onlinenetwork.bcna.org.au/discussion/23866/podcast-series-upfront-about-breast-cancer-what-you-don-t-know-until-you-do-with-dr-charlotte-to/p1https://bit.ly/3oD0S0C