Prostate radiotherapy linked to secondary cancers

MEN who have radiotherapy for prostate cancer are at increased risk of developing secondary bladder and colorectal cancers, a meta-analysis shows.

While the absolute risks of developing the secondary malignancies are low, the findings have prompted an Australian specialist to recommend that GPs mention them when counselling patients about treatment side effects.

The meta-analysis looked at the results of 21 studies, finding an increased risk of cancers of the bladder, colorectum and rectum, but not of lung or blood cancers, after patients having radiotherapy were compared with those