She added, "This is different than chemotherapy, which suppresses the immune system. The most recent public person who has benefited from immunotherapy is President Jimmy Carter in his fight against melanoma. I expect to continue to do my job during the course of this treatment."
Hirono is running for re-election in 2018. And after her surgery, she's missed little time from work.
She closed the email with, "Having cancer sucks, but I know that there are people in our country facing major health issues every single day."