This blog post is the 35th in a series about my (and twin sister’s) preventative breast cancer screening journey that began when we were 30 years old in July 2019. Here is a list of all of the posts written about our journey at Mayo Clinic’s Breast Clinic in Rochester, Minnesota, to date. To keep tabs on new posts, sign… Continue reading My Breast Cancer Journey Part 35: My Twin Sister’s 12th T-DM1 Infusion & Oncology Update!