A woman's idyllic life--child, career, successful husband--ends with breast cancer. The protagonist is Alexandra Parker, a New York lawyer who suddenly finds her husband doesn't want a woman who is sick. Fortunately others do, even if she has gone bald from treatment.
Danielle Fernandes Dominique Schuelein-Steel, better known by the name Danielle Steel, is an American novelist, currently the best selling author alive and the fourth bestselling fiction author of all time, with over 800 million copies sold. [Wikipedia][1]
[1]: https://en.wikipedia.org/wiki/Danielle_Steel