Wart growth developed on my penis about 6 months before, visited dermatologist, applied 'Duofilm' as per advice, but spred in the adjuscent area from one small size to six different and growing large very fast in last three months, every day apply show better result, but not possible some times, and acidic burn spreads new one, can't understand what to do, I am feeling panicked, heard about laser ray treatment, is it costly and lengthy rather useful and appropriate?