cancer and is in the “early stages” of treatment.

In a video message released Friday, Kate said the diagnosis came after she had underwent abdominal surgery in January. Her condition was initially thought to be non-cancerous, but later tests “found cancer had been present,” she said.

Kate, 42, had been mostly absent from the public eye since her surgery in January, causing wild speculation about her health to swirl.

The shock diagnosis comes after King Charles III was also diagnosed with cancer following a procedure for an enlarged prostate.

Here’s what we know.