Interesting article in the Telegraph.

Basically, it summarises the ERECT trial,  improving accuracy of radio therapy using MRI to better preserve erection nerves.

https://www.telegraph.co.uk/news/2025/08/08/prostate-cancer-breakthrough-cuts-risk-erectile-dysfunction/ 

The trial of 70 men found that, at six months, six per cent had erectile dysfunction, compared to 21 per cent with conventional treatment. After 18 months, 16 per cent experienced dysfunction compared to 36 per cent in the control group.