[A very rare benign tumor of the minor salivary glands, characterized by a luminal papillary proliferation that arises at the junction of the salivary gland duct and the oral mucosal surface epithelium and expands as a nodular mass into the lamina propria. It presents as an asymptomatic mucosal swelling. — 2003 ( NCI )]
UMLS (NCI) C1335902