Can we ever eliminate cancer? Joe Biden is the latest famous figure facing the disease. But experts say there is hope for the future.
The world wishes an ex-president well
Difficult year: Biden was forced to drop out of the 2024 US presidential election after questions over his health, age and ability to work. Glossary
President - In some countries, the leader is called the president.
Joe Biden - An American politician who was the 46th president of the United States from 2021 to 2025.
Diagnosed - When a doctor declares that a patient has a condition or illness.
Prostate - A small gland that is part of the male reproductive system.
Extreme - Very great, or beyond what is expected.
AI - A computer programme that has been designed to think.
CT scan - A computed tomography scan — a medical imaging technique usually used to make images of inside the body.
Expensive - Costs a lot of money.