Hi, I was diagnosed with melanoma in may 2013. In July 2013 I had a wide excision & I've been all clear so far. but for 8 weeks I've had intermittent daily headaches which are not specifically in the same place in my head, the pain seems to move & change position all over my head. I also getting forgetful with what i have just done a few minutes beforehand & or can't get out some of the words i need to…