Methods and procedures for the treatment of breast disorders including proliferative breast disease, breast cancer, and increased breast density are taught. The methods and compositions deliver effective formulations of drugs for chemical and / or biological treatment to the breast via the transapnal route.Selection drawing None増殖性乳房疾患、乳癌、及び乳房密度の増大を含む乳房障害の処置のための方法と処置が教示される。当該方法と組成物は、経乳頭経路を介して乳房に化学的及び/又は生物学的な処置用薬物の効果的な製剤を送達する。【選択図】なし