That's the finding of a new study co-authored by a Brown University professor.
Basal cell carcinoma is often seen as something that is treated and cured, but the study confirmed what many suspected, that having a prior history of basal cell carcinoma is the greatest risk for developing another lesion.
Basal cell carcinoma begins in the outer layer of the skin as a small white or flesh colored bump. These cancers rarely spread but must be removed or treated.