label: intraductal papillary breast neoplasm
label_lc: intraductal papillary breast neoplasm
description: "A benign or malignant papillary neoplasm that arises anywhere in the ductal system of the breast. It is characterized by fibrovascular structures lined by epithelial proliferations. This category includes intraductal papilloma and intraductal papillary carcinoma."