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Basal Cell Carcinoma. Part 1: Basal Cell Carcinoma Has Come of Age.

Almost 2 centuries after its recognition, basal cell carcinoma (BCC) remains the most common cancer worldwide, with a 30% overall lifetime risk in the United States and an incidence that continues to increase annually. The increasing incidence of BCC is multifactorial and likely correlates to multiple risk factors, including exposure to both ionizing and UV radiation. Despite its relatively indolent growth, what was once referred to as a rodent ulcer or basal cell epithelioma is now identified as a full-fledged malignancy. The authors describe the societal burden of this disease and characterize its malignant potential, emphasizing associated clinical and histopathologic prognostic features.