Is it unusual for stage 1 breast cancer to spread to bones?

Yes, but it happens: Stage 1 breast cancer has about a 2-5% chance of coming back or spreading. Breast cancer positive for the estrogen receptor is the one that can come back many years or decades after the original diagnosis, and it is common to come back in bones. But there are good treatments that usually don't involve chemotherapy and can keep you symptom free for years. Best to you!

Yes, but it happens: Stage 1 breast cancer has about a 2-5% chance of coming back or spreading. Breast cancer positive for the estrogen receptor is the one that can come back many years or decades after the original diagnosis, and it is common to come back in bones. But there are good treatments that usually don't involve chemotherapy and can keep you symptom free for years. Best to you!