King Charles has filmed a intimate address regarding his experience with cancer, which will be broadcast as part of this year's fundraising campaign, spearheaded by medical research organisations and a television broadcaster.
Buckingham Palace confirmed the King would talk about his "healing process" as a cancer patient, in a video message on Friday at 8pm UK time.
The address, taped inside Clarence House two weeks ago, will highlight the vital significance of cancer screening checks to help guarantee more people catch the condition at an treatable phase.
This will be a rare update on the health of the King, who has been undergoing regular treatment since revealing his diagnosis in early last year. Analysts suggest improbable the King will identify his specific form of cancer.
The awareness campaign each year raises funds for medical research and treatment and encourages people to get check-ups to increase the odds of an early diagnosis.
The King's candid approach about his condition, and living with cancer, has been aimed to promote education and to get more people to get tested - and this will be taken a step further with this unique royal involvement.
So far the King's key philosophy to his cancer has been to keep working, upholding a hectic timetable despite his ongoing course of therapy, and he is understood not to have desired to be characterised by his condition.
The past twelve months has seen the King, 77, embarking on several international tours, including to Italy and Canada, and welcoming the biggest number of official guests to the UK for almost 40 years, which included the German president last week.
This Friday's charity broadcast on television, hosted by well-known figures like several TV personalities, will encourage people not to be frightened of getting health screenings.
All three have been personally touched by cancer - McCall revealed in November she had had an operation for breast cancer, while another presenter was overcame thyroid cancer over a decade ago. Host Hills has previously mentioned his late father, who had a diagnosis and then later blood cancer.
The programme will target the roughly nine million people in the UK who health organisations estimate are not compliant with public health checks, with an online checker to let people determine if they are eligible for tests for several common cancers.
In an effort to explain health tests and illustrate the benefit of early diagnosis there will be a real-time transmission from treatment centres at medical facilities in Cambridge.
"The goal is to reduce the stigma from preventative tests and demonstrate everyone that they are not alone in this," stated a presenter.
Currently in the UK, there are a number of NHS cancer screening programmes - for bowel, breast and cervical cancer - accessible for eligible individuals.
A emerging lung cancer screening programme is also being gradually implemented for anyone at potential risk of developing the disease, focusing on people aged 55-74 years old, who currently smoke or used to.
Men may discuss prostate cancer checks, but there is no national programme operational.
The fundraising project, which has collected over one hundred million pounds over the past decade, is supporting multiple medical projects with 13,000 patients.
King Charles, in a statement for attendees at a event for support groups in the spring, had discussed acknowledging the "daunting and at times alarming experience" for those diagnosed and their loved ones.
But he stated his personal journey of managing cancer had revealed that "the most difficult times of sickness can be alleviated by the greatest compassion," as he thanked those who supported cancer patients.
The Palace has not disclosed the nature of cancer the King has, or the medical care he has undergone. The King's cancer was discovered following he had received a prostate procedure.
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