King Charles' cancer battle has him 'determined to make his mark on history': expert

Buckingham Palace announced Friday that King Charles will resume royal duties Tuesday, nearly three months after revealing his cancer diagnosis. 

Royal experts are sharing their opinion with Fox News Digital about the king's quick return to royal duties. Charles and Queen Camilla will visit a cancer treatment center Tuesday and meet with patients and medical professionals. 

Christopher Andersen believes the king's health is a reminder of his mortality, and it urges him not to "want...