AVP and ductal breast carcinoma in situ: In addition, FEA is often found in association with other high-risk lesions of the breast, such as ALH, ADH, or LN, although currently it is increasingly referred to as a precursor of the latter alteration [61] and also considered, together with ADH and DCIS, as a non-obligatory precursor of invasive carcinoma [62, 63].