I wonder how much of the efficacy of verteporfin is related to skin tension, excision shape, moisture?
For example if it's harder for skin to close a circle than an oval. That might give verteporfin more time to heal without scar formation. I imagine you don't want the skin pulling itself together quickly? Or perhaps it doesn't matter with verteporfin.
I don't know too much about the subject, but I was watching this video: