Catherine, Princess of Wales, revealed that she had received a cancer diagnosis and had started treatment

She also said that the last two months had been "incredibly tough for our entire family."

She received her diagnosis after King Charles III, who declared his own cancer diagnosis 

who declared his own cancer diagnosis and course of treatment at the beginning of February. It follows a protracted period of extreme doubt on Catherine's condition

She had abdominal surgery in January and mainly withdrew from public life while she attempted to rehabilitate.

Princess Catherine's cancer kind is unknown, but oncologists believe that what she said in her Friday public statement

finding a malignancy during another treatment, in this case a "major abdominal surgery"—is all too usual.

Gynecologic oncologist Dr. Elena Ratner of Yale Cancer Center stated,

"Unfortunately, so much of the cancer we diagnose is unexpected."

Pink posts a video of a heart on a cloud to remember her late father.