In a video message, Catherine said she would return to more of her duties, a positive development, but many questions remain about her condition and treatment.

A slick video by Catherine, Princess of Wales announcing that her chemotherapy has finished marks a dramatic shift in communications for the British royal family, media and commentators said Tuesday.

The British royal has confirmed that she has completed her cancer treatment, almost six months after revealing on 22 March that she had been diagnosed with cancer and was undergoing preventative chemotherapy.