<prompt> Most common presentation of DCIS is: -Breast noduleNipple dischargePeaud orangeNeck swelling  <response>: Ans. a Breast noduleRef. Bailey 27th Edition 872 Most common presentation of DCIS is Breast Nodule. DCIS is diagnosed on Mammography by its characteristic micro calcifications. Mammography is the IOC. Treatment is excision by Simple mastectomy or BCS followed by tamoxifen. 