A cancer that involves the sebaceous gland. The disease is sebaceous gland cancer (MONDO_0037735). Also known as: cancer of sebaceous gland, malignant neoplasm of sebaceous gland, malignant neoplasm of the sebaceous gland, malignant sebaceous gland neoplasm, malignant sebaceous gland tumor, malignant sebaceous gland tumour, malignant sebaceous neoplasm, malignant sebaceous tumor.