am abt to have 'freezing' technique done on small (less than 3/8" round "blister" on top of right shoulder) that was shaved off and biopsied - returnee "pre-cancerous. Derm Dr. wants to use 'freezing' to ensure all cells are destroyed. Friend told me that that method is not always best. That it can damage healthy tissue and leave scarring. Your thoughts/recommendations. Thank you.
LH




