NCIt synonyms : Benign Lacrimal Duct Tumor; Benign Neoplasm of Lacrimal Duct; Benign Tumor of the Lacrimal Duct; Benign Neoplasm of the Lacrimal Duct; Benign Tumor of Lacrimal Duct; Benign Lacrimal Duct Neoplasm;
NCIt definition : A neoplasm that arises from the lacrimal duct and is characterized by the absence
of atypical or malignant cytological and architectural features, and absence of invasive
features or metastatic potential.;