Charles was cheered by patients and staff at York Hospital, as he toured the site ahead of the opening of the Sir Robert Ogden Macmillan Cancer Centre.
He met patients including Lou Rhodes, 49, who is living with stage 4 secondary breast cancer, and was involved in the design and development of the centre as a patient representative.
Here are the best pictures from the visit provided by James Glossop of The Times via The Press Association:

9. King Charles III, Patron of Macmillan Cancer Support, speaks with staff in the new garden
King Charles III, Patron of Macmillan Cancer Support, speaks with staff in the new garden James Glossop/The Times/PA Wire Photo: James Glossop/The Times

10. King Charles III, Patron of Macmillan Cancer Support, during a visit
King Charles III, Patron of Macmillan Cancer Support, during a visit to the site James Glossop/The Times/PA Wire Photo: James Glossop/The Times
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