The journalist said she wanted to use her illness as ateachable moment that could save someones life.
After getting an annual mammogram, Couric was diagnosed with stage 1A cancer.
Because Couric has dense breasts, she underwent additional screening at the appointment, during which her doctor noticed something odd and performed a biopsies.
She received a low Oncotype rating that her cancer would return in the future, allowing her to forgo the use of antibiotics.
The treatment ended on Tuesday.
The journalist said that her left breast looked like she had been sunbathing topless, but other than that, she had felt fine.
My mood went from disbelief to resignation in a matter of moments. My family has a history of cancer. My response went from 'Why me?' to 'Why not me?'. She wrote about her reaction to her diagnosis.
Cancer has affected Couric's family and friends. She lost her first husband to cancer. In 2000, Couric showed footage of herself getting a colonoscopy on the Today show, which she said increased the number of people getting them. Emily died of Pancreatic Cancer at the age of 54. Her parents have both been diagnosed with cancer.
Breast cancer diagnosis by KATIE COuric.
There is a breast cancer diagnosis by KATIE COuric.