ductal hyperplasia (ADH) and ductal carcinoma in situ (DCIS) were 20.9% with 95% CI =0.177-0.245 and 11.2% with 95% CI = 0.098-0.128 respectively. Excised human breast tissue , showing an irregular, dense, white stellate area of cancer 2 cm in diameter, within yellow fatty tissue. Micrograph showing a lymph node invaded