Histopathologic types of breast cancer, with relative incidences and prognoses.<unk> " is near top.<unk>  is often detected with mammographies but can rarely be felt. With the increasing use of screening mammography, noninvasive cancers are more frequently diagnosed and now constitute 15% to 20% of all breast cancers. Cases of<unk>  have increased 5 fold between 1983 and 2003 in the United States due to the introduction of screening mammography. In 2009 about 62,000 cases were diagnosed.
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