This is extremely relevant. Factors like whether the patient has freckles or red hair often drive doctors to resect anything out of an abundance of caution. It

This is extremely relevant. Factors like whether the patient has freckles or red hair often drive doctors to resect anything out of an abundance of caution. It doesn't look like these additional demographic factors were made available to clinicians. That said, the results here are still impressive. Source: I worked in clinical melanoma research for 2 years.