Wow #13 in HN. I am a caregiver of TN. Is was strange 8 years ago it was HER2+ but it changed to TN this time even though it was exactly at the same location(co

Wow #13 in HN. I am a caregiver of TN. Is was strange 8 years ago it was HER2+ but it changed to TN this time even though it was exactly at the same location(conserved last time).