Kate Middletonhas provided the first update on her health sincetelling the world about her cancer diagnosis in March.
It will be her first public appearance sincer her diagnosis.
She had abdominal surgery in January and her cancer was revealed in post-operative tests.
Kate Middleton, Princess of WalesMatt Porteous
Middleton revealed that she has good days and bad days.
On those bad days you feel weak, tired and you have to give in to your body resting.
Middleton added: I am learning how to be patient, especially with uncertainty.
On those bad days you feel weak, tired and you have to give in to your body resting.
My treatment is ongoing and will be for a few more months.
I am learning how to be patient, especially with uncertainty.