NCIt synonyms : Benign Phyllodes Neoplasm of Breast; Benign Phyllodes Neoplasm of the Breast; Benign Phyllodes Tumor of Breast; Benign Phyllodes Tumor of the Breast; Breast Benign Phyllodes Neoplasm;
NCIt definition : A usually unilateral, benign and well circumscribed biphasic neoplasm that arises
from the breast. It usually affects middle-aged women. It is characterized by the
presence of a double layer of epithelial cells that are arranged in clefts, surrounded
by a cellular, monomorphic spindle cell mesenchymal component. Mitoses are rare. Necrotic
changes may be present in large tumors.;