King Charles, 75, has been diagnosed with cancer, Buckingham Palace announced. The discovery was made during a procedure for benign prostate enlargement. The type and stage of cancer are undisclosed.

The Palace’s statement said, “Subsequent diagnostic tests have identified a form of cancer. His Majesty has today commenced a schedule of regular treatments.” King Charles will limit public appearances but continue state duties. The King remains optimistic, expressing gratitude to his medical team and looking forward to resuming full duties.