This is so sad. Tatiana Schlossberg, Caroline Kennedy's 34yo daughter and a mother of 2 very young children, was diagnosed with leukemia immediately after the birth of her second child and has been given less than a year to live. This is a beautiful piece she's written for the New Yorker about her diagnosis.
https://www.newyorker.com/culture/the-weekend-essay/a-battle-with-my-blood