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a slow-growing malignant but usually non-metastasizing skin cancer, mainly occurring in sun-damaged skin of the elderly and fair-skinned; also called basal cell epithelioma , rodent ulcer
basal cell carcinoma n. A slow-growing, locally invasive, but rarely metastasizing neoplasm of the skin derived from basal cells of the epidermis or hair follicles. Also called basal cell epithelioma.