"And people who have breast cancer, they have to do it every single day, the chemotherapy treatment, all the things they have to prepare themselves to do.
VOA: special.2009.11.02
Further complicating the landscape is the realization in the past decade that, rather than being a single disease, breast cancer is at least five distinct diseases, with (to some extent at least) different risk factors, pathology, prognosis, and treatment.