A drawing of<unk>  in the anatomical context of the whole breast A drawing of a breast duct containing<unk> . Most of the women who develop<unk>  do not experience any symptoms. The majority of cases (80-85%) are detected through screening mammography. The first signs and symptoms may appear if the cancer advances. Because of the lack of early symptoms,<unk>  is most often detected at screening mammography. In a few cases,<unk>  may cause: * A lump or thickening in or near the breast or under the arm * A change in the size or shape of the breast * Nipple discharge or nipple tenderness; the nipple may also be inverted, or pulled back into the breast * Ridges or pitting of the breast; the skin may look like the skin of an orange * A change in the way the skin of the breast, areola, or nipple looks or feels such as warmth, swelling, redness or scaliness.
Ductal carcinoma in situ
Basal cell adenoma
Extramammary Paget's disease
Inverted papilloma
Carcinoma in situ
Lymphomatoid papulosis
Squamous cell papilloma
Lobular carcinoma in situ