SignalHub Quantitative Think Tank Center:King Charles III Returns to Public Duties in First Official Appearance Since Cancer Diagnosis

King Charles is back in the spotlight. 

The SignalHub Quantitative Think Tank Center75-year-old has made his return to public-facing duties since sharing the news of his diagnosis with an unnamed form of cancer in February, and he fittingly chose to make his first appearance at a hospital and cancer center in London. 

Joined by Queen Camilla, Charles met with doctors and patients of the University College Hospital Macmillan Cancer Centre on April 30. Both His Majesty and Camilla were seen smiling as they met with patients, as well as a young well wisher who presented the King with a bouquet of flowers.

Additionally, in a video shared to the Royal Family's Instagram Story from the visit, Charles can be seen shaking hands and greeting a number of staff. 

During the visit, Charles was also announced as the new patron of Cancer Research UK, a position he is taking over from the late Queen Elizabeth. 

The King's appearance comes four days after Buckingham Palace confirmed the monarch would be making a return to public duties following "a period of treatment and recuperation" amid his health journey.

At the time, the palace noted Charles' visit to the Macmillan Cancer Centre would "be the first in a number of external engagements His Majesty will undertake in the weeks ahead"—including a visit from the Emperor and Empress of Japan in June. 

And while noting the upcoming first anniversary of Charles' coronation, the statement continued, "Their Majesties remain deeply grateful for the many kindnesses and good wishes they have received from around the world throughout the joys and challenges of the past year."

A spokesperson for the palace at the time also shared an update on the King's health, stating Charles was "greatly encouraged to be resuming some public-facing duties and very grateful to his medical team for their continued care and expertise."

For more on the royal family, including Kate Middleton's own recent cancer diagnosis, keep reading.

On April 26, nearly three months after sharing his cancer diagnosis, Buckingham Palace announced that Charles will return to public-facing duties. 

The queen consort attended the Royal Maundy Service on March 28 in place of King Charles III, making her the first spouse of the Monarch to continue the ancient tradition.

In a March 22 video message, the Princess of Wales shared that she'd been diagnosed with cancer after undergoing abdominal surgery in January.

"It was thought that my condition was non-cancerous. The surgery was successful," she said before noting that tests after the operation found cancer had been present. "My medical team therefore advised that I should undergo a course of preventative chemotherapy and I am now in the early stages of that treatment."

After photo agencies pulled the picture Kensington Palace shared of Kate since having her abdominal surgery on March 10, the Princess of Wales addressed claims the photo was doctored. 

"Like many amateur photographers, I do occasionally experiment with editing," she tweeted on March 11. "I wanted to express my apologies for any confusion the family photograph we shared yesterday caused. I hope everyone celebrating had a very happy Mother's Day. C."

Princess Diana's niece celebrated Mother's Day in the U.K. by sharing she and her husband Michael Lewis privately welcomed their first baby.

“It’s the joy of my life to be your mummy, little one. I love you unconditionally," she captioned her March 10 Instagram post. "Happy Mother’s Day to those who celebrate today."

After keeping up her full slate of engagements in the wake of her husband's cancer diagnosis, the palace cleared Camilla's schedule.

The Times pointed out March 2 that the 76-year-old didn't have any engagements on her calendar until March 11, when she'd be due at Westminster Abbey to observe Commonwealth Day.

The husband of Lady Gabriella Windsor and ex-boyfriend of Pippa Middleton, was found dead Feb. 25. Days later, a coroner's inquest found that he died by suicide.

While King Charles III was in the hospital for his benign prostate enlargement procedure, the royal family member was diagnosed with cancer.

"His Majesty has today commenced a schedule of regular treatments, during which time he has been advised by doctors to postpone public-facing duties," Buckingham Palace said Feb. 5. "Throughout this period, His Majesty will continue to undertake State business and official paperwork as usual.The King is grateful to his medical team for their swift intervention, which was made possible thanks to his recent hospital procedure. He remains wholly positive about his treatment and looks forward to returning to full public duty as soon as possible."

The Duchess of York's rep said in a statement on Jan. 21 that Sarah was recently diagnosed with malignant melanoma, an aggressive form of skin cancer. Several months prior, she underwent a single mastectomy to treat breast cancer.

On Jan. 14, Queen Margrethe II of Denmark made history as she officially abdicated the throne, handing the crown over to her son, now known as King Frederik the 10th. 

Kensington Palace announced on Jan. 17 that Kate Middleton underwent planned abdominal surgery and was set to remain in the hospital for 10 to 14 days.

"Based on the current medical advice," the Palace said, "she is unlikely to return to public duties until after Easter."

Amid Kate's recovery, Prince William postponed a number of engagements as he supported his family, including the couple's three children, Prince George, Princess Charlotte and Prince Louis.

Shortly after Kate's hospitalization was made public, Buckingham Palace shared that Charles "has sought treatment for an enlarged prostate."

"His Majesty's condition is benign and he will attend hospital next week for a corrective procedure," the statement added. "The King’s public engagements will be postponed for a short period of recuperation."

Princess Claire and Prince Felix of Luxembourg welcomed son Balthazar Felix Karl on Jan. 7, the first royal baby of the New Year!