The Princess of Wales' sweet reaction to a fellow patient said a lot about her journey to announcing her cancer was in remission.

Princess Kate made the announcement on social media after visiting the London hospital where she received treatment.

Princess Kate announced her cancer is in remission after a year-long battle with an undisclosed cancer. Revisit her health journey.

While deaths from cancer have decreased overall, the study shows cancer rates keep going up − especially among women. Researchers also found middle-aged women, like the Princess of Wales, age 43, now have a slightly higher cancer risk than their male counterparts and young women are almost twice as likely to be diagnosed as young men.