Malignant neoplasms of lip
Malignant neoplasms originating from the transitional epithelium of the lip (excluding oral mucosa and skin of the outer lip) or from the underlying anatomical structures (e.g. orbicularis oris muscle).
Malignant neoplasms originating from the transitional epithelium of the lip (excluding oral mucosa and skin of the outer lip) or from the underlying anatomical structures (e.g. orbicularis oris muscle).