Radiotherapy

Good evening 

My husband my diagnosed with Prostate cancer had surgery in February to remove the prostrate 

unfortunately it was not successful, he started Radiotherapy he his halfway into the treatment 

due to the bank holiday the treatment was delayed, today he went for his session and it was cancelled it now be day 5 twithout 

a treatment ,is  last treatment was on Friday 23rd August next one tomorrow 28th August 

I am worried it going to affect the outcome 

please can anyone help