I have lived in Pattaya Bangkok and Chiangmai and seen 10 dermatologists. I normally get sprayed on about 40 plus pre cancer spots with liquid nitrogen. Yesterday I got sprayed on 25 spots smaller than normal because over 14 years of regular treatment my skin has improved. I go back next week for a small facial incision. Two years ago I had a cancer operation with skin graft in Pattaya. This year I had melanoma cancer operation in Bangkok. I have seen Dr Wachiraporn of Chiangmai Ram for 13 years and for me she is Number One with regards to professionalism and cost. She trained in Thailand and USA.