Neoplasms composed of cells from the deepest layer of the epidermis. The concept does not refer to neoplasms located in the stratum basale.

Synonyms: Cell Cancer, Basal, Basal Cell Cancer, Cell Cancers, Basal, Basal Cell Cancers, Cell Neoplasms, Basal, Cell Neoplasm, Basal, Cancers, Basal Cell, Basal Cell Neoplasm, Neoplasms, Basal Cell, Cancer, Basal Cell, Neoplasm, Basal Cell, Basal Cell Neoplasms