Prostate is the second most deadly type of cancer in men, with lung cancer the only variant to claim more lives.
Treatment is challenging because surgery and radiation can leave men incontinent or impotent.
However, a pioneering new technique avoids the risks by using a rod-shaped device inserted into the urethra while guided by magnetic resonance to administer precise bursts of ultrasound.
The sound waves heat and destroy the tumour, leaving surrounding areas unharmed.
Read more in the Independent