Your pathology report for columnar cell hyperplasia of the breast
Columnar cell hyperplasia is a non-cancerous change that can occur in the small structures of the breast called terminal duct lobular units (TDLUs). In this condition, the glands (acini) inside the TDLU become slightly enlarged and are lined by more than two layers of tall, column-shaped cells. This increased layering of cells is what hyperplasia …
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