Screening for early breast cancer reduces invasive cancer, study finds

Mammography screening for early breast cancer and treating women who are found to have ductal carcinoma in situ (DCIS) can prevent subsequent invasive breast cancer, shows a study of results from the UK breast screening programme reported in the Lancet Oncology.1

Ongoing debate about the potential harms of mammography screening because of concerns about potential overdiagnosis has caused some controversy about the value of screening for and treating DCIS. One of the key questions behind this is whether early detection and treatment of DCIS …