A benign neoplasm that involves the major salivary gland. The disease is Monarch Disease Ontology identifier MONDO_0021492 (benign neoplasm of major salivary gland). Also known as: benign Major salivary gland neoplasm, benign Major salivary gland tumor, benign Major salivary gland tumour, benign neoplasm of the Major salivary gland, benign tumor of Major salivary gland, benign tumor of the Major salivary gland, benign tumour of Major salivary gland, benign tumour of the Major salivary gland.