While some royal watchers observed the king looking upbeat as he waved to crowds gathered outside the medical center, others wondered if he returned to work too early. Here’s what Queen Camilla had to say about that.

King Charles III resumed public duties after doctors say they were pleased with King's response to cancer treatment.

King Charles III returned to public duties on Tuesday, visiting a cancer treatment charity and beginning his carefully managed comeback after the monarch’s own cancer diagnosis sidelined him for three months.

King Charles attended his first public engagement since his cancer diagnosis with a visit to the Macmillan Cancer Centre, alongside Queen Camilla. This marks his first official public appearance outsi

King Charles made a return to public duties with a visit to a hospital and specialist cancer centre in London on Tuesday. The King, alongside Queen Camilla, met doctors and patients during the visit in a bid to raise awareness of the importance of early diagnosis and highlight innovative research taking place at the University College Hospital Macmillan Cancer Centre.

The monarch's doctors are "sufficiently pleased with the progress" he has made thus far, allowing for the visit to a research center and hospital to proceed

By Sean Coughlan, at University College London Hospital, BBC Royal correspondent King Charles spoke to patients about the "shock" of hearing a cancer diagnosis - as he returned to public engagements with a hospital visit.