Princess Kate's absence from the public eye, along with a photo of her with her children that was retracted due to editing, and her husband Prince William missing a royal engagement due to a "personal matter,

"The last nine months have been incredibly tough for us as a family," the Princess of Wales said in a video statement.

LONDON (AP) — Kate, Princess of Wales, has released a video saying she has completed her chemotherapy treatment for cancer. She announced in March that she had been diagnosed with an undisclosed form of cancer that was detected after abdominal surgery earlier in the year and would begin the treatment.