King Norodom Sihamoni of Cambodia Diagnosed With Prostate Cancer and Commences Medical Treatment in Beijing

King Norodom Sihamoni confirms prostate cancer diagnosis and begins treatment in Beijing. The 72-year-old monarch will remain in China for up to three months.

By: AXL Media

Published: Apr 11, 2026, 9:23 AM EDT

Source: Information for this report was sourced from AsiaOne

A Royal Medical Update from Beijing

In a rare and personal address to the Cambodian people, King Norodom Sihamoni disclosed on Friday that he has been diagnosed with prostate cancer. The monarch, who is currently in Beijing, People’s Republic of China, explained that the diagnosis followed an exhaustive series of examinations conducted by a specialized team of physicians. According to the King’s statement, which was disseminated via the Cambodian information ministry, the clinical findings have necessitated a formal course of treatment. The King expressed his intent to follow medical protocols closely as he begins his recovery process abroad.

Extended Stay for Specialized Care

Given the nature of the diagnosis, the King informed his compatriots that he will be extending his residency in Beijing for an additional one to three months. This timeline was recommended by his doctors to ensure a thorough and uninterrupted treatment cycle. Cambodia’s royal family has a long-standing history of seeking high-level medical intervention in China, a tradition that reflects the deep diplomatic and personal ties between the Cambodian monarchy and the Chinese leadership. The King’s announcement emphasized his commitment to transparency regarding his health while he remains under the supervision of international specialists.

The Ceremonial Role of the Modern Monarchy

King Norodom Sihamoni ascended to the throne in 2004 following the abdication of his father, the late King Norodom Sihanouk. While his father was a towering political figure who navigated Cambodia through its independence from France and various periods of internal upheaval, the current King’s role is strictly defined by the constitution as ceremonial. In the decades since his coronation, political power in Cambodia has remained largely concentrated in the hands of the government, notably under former Prime Minister Hun Sen. Despite this limited political authority, the King remains a vital symbol of national unity and cultural continuity for the Cambodian people.