Recurrence of Breast cancer .... 12 months on

Hi, so sorry to hear of those who have had re occurrence of cancer.  I had cancer last year, had a left mastectomy and immediate reconstruction done.  all worked well.  but as some of you have said hindsight is a wonderful thing.  I wish I had gone with a double mastectomy when I was diagnosed, I did suggest it but was told it was extreme.  so now I have the worry of 6 monthly or 12 monthly mammograms and if I get cancer again (and the chances are 1 in 6) more surgery, and at as I will be older, I may not recover so quickly.  plus a reconstruction,  they used my stomach tissue the first time so what can they use next time if they need to.  and yes of course I want to stay positive and assume I won't get a reoccurrence but ...... hindsight....