A couple of articles on current immunotherapy for her2 positive BC

[Nguyen]

Useful background info, albeit a bit long and moderately technical, note "current" <= 03/2020.

Nguyen

https://www.nature.com/articles/s41523-020-0153-3

https://jhoonline.biomedcentral.com/articles/10.1186/s13045-019-0798-2