King Charles has taped a personal message concerning his experience with cancer, set to air as part of this year's Stand Up To Cancer initiative, spearheaded by a leading cancer charity and a television broadcaster.
Buckingham Palace stated the King would reflect on his "healing process" as a cancer patient, in a recorded address on Friday at the evening slot.
The address, taped inside Clarence House a fortnight ago, will stress the importance of preventative health checks to ensure more people detect the disease at an early stage.
This will be a infrequent public commentary on the medical condition of the Sovereign, who has been undergoing regular treatment since the news was shared in early last year. Analysts suggest doubtful the King will identify his specific form of cancer.
The awareness campaign each year generates donations for clinical trials and treatment and urges people to get screenings to improve the probability of an early diagnosis.
The King's public discussion about his illness, and living with cancer, has been aimed to increase understanding and to get more people to get tested - and this will be escalated with this unusual personal contribution.
So far the King's key philosophy to his cancer has been to continue his schedule, preserving a hectic timetable despite his ongoing course of treatment, and he appears not to have sought to be defined by his illness.
Recently has seen the King, 77, undertaking several foreign visits, notably to Italy and Canada, and hosting the highest tally of foreign dignitaries to the UK for a generation, including the German president in recent days.
This Friday's Stand Up to Cancer programme on television, featuring presenters such as several TV personalities, will urge people not to be frightened of getting cancer checks.
Each presenter have been affected by cancer - Davina McCall said last month she had received treatment for breast cancer, while another presenter was diagnosed with the illness in the past. Presenter Adam Hills has previously discussed his father, who had a diagnosis and then later another illness.
The programme will appeal to the approximate nine million people in the UK who health organisations estimate are not compliant with national health programmes, with an online checker to let people see if they are eligible for tests for several common cancers.
In an attempt to clarify health tests and illustrate the importance of early diagnosis there will be a direct feed from hospital departments at medical facilities in Cambridge.
"My aim is to reduce the stigma from preventative tests and demonstrate everyone that they are not alone in this," commented one of the hosts.
Right now in the UK, there are a number of NHS cancer screening programmes - for major health concerns - offered to specific demographics.
A new lung cancer screening programme is also being gradually implemented for people at potential risk of being diagnosed with the condition, specifically targeting people aged 55-74 years old, who currently smoke or used to.
Men may discuss prostate cancer checks, but there is no national programme in place.
The Stand Up to Cancer campaign, which has raised a significant sum since 2012, is financing multiple clinical trials involving 13,000 patients.
King Charles, in a message for attendees at a gathering for support groups in the spring, had spoken of understanding the "overwhelming and at times frightening reality" for those diagnosed and their loved ones.
But he noted his personal journey of managing cancer had demonstrated that "the darkest moments of disease can be illuminated by the support of carers," as he thanked those who cared for cancer patients.
The Palace has not made public the specific type of cancer the King has, or the medical care he has undergone. The King's cancer was identified after he had received a prostate procedure.
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