A primary or metastatic malignant neoplasm that affects the major or minor salivary glands. Representative examples include carcinoma, lymphoma, and sarcoma. The disease is salivary gland cancer (MONDO_0004669). Also known as: cancer of saliva-secreting gland, cancer of salivary gland, cancer of the salivary gland, malignant neoplasm of saliva-secreting gland, malignant neoplasm of salivary gland, malignant neoplasm of salivary gland duct, malignant neoplasm of the salivary gland, malignant saliva-secreting gland neoplasm.