Results for biopsy

Hi there

I went to the doctor about a mole on my breast that had changed in shape and colour.  I was referred to dermatology and got an appointment 2 weeks later.  At this appointment  the dermatologist I saw was not happy with this mole at all, and advised I have it removed that day, which I did.  That was 6weeks ago, and I still do not have my results.  Is this a usual waiting timescale?  I am crippled with anxiety, feel sick constantly and am struggling to sleep.  Can anyone give me any advice as to what I should do?  Should I phone my gp or the dermatologist, or should I wait it out?  You help and advice would be greatly appreciated.