It was always my concern that one minute a cancer was localized and a minute later it started to metastasize and the patient was essentially terminal.
Since you don't know when that critical minute is, why isn't a suspected melanoma removed immediately - in other words, treated as the emergency it is? It is a simple local procedure.
Now a Cleveland Clinic study may cause some doctors to rethink this.
"The Cleveland Clinic study was published online recently in the Journal of the American Academy of Dermatology.