Swimming whilst undergoing radiotherapy

Hi All

Hope you are all doing well, I start Radiotherapy next Tuesday for 3 weeks, and wanted to ask if anyone knows if it’s ok to swim, whilst undergoing radiotherapy? 

I find swimming therapeutic and very relaxing, it’s also helped with my exercises for my arm. 

Look forward to hearing from you lovely people. ?

I was told absolutely not - both because of the possible effect of the chemicals on the skin and also the risk of infection from other swimmers, which would be worse at this time of year. Sorry.