Are my tumor markers showing good progress on Truqap and fulvestrant?

Those tumor marker reductions show meaningful downward trends that many patients hope to see during treatment. While only your oncologist can interpret these numbers in the context of your complete medical picture, it's understandable that you're feeling encouraged by these changes after two months of treatment. The upcoming PET scan will provide additional important information to help guide your care team's assessment of how things are progressing.