Understanding DCIS

Find out how DCIS is diagnosed, treated and how it might affect your life.

Living with breast cancer

Living with breast cancer

Living with breast cancer

Karen talks about her experience of living with breast cancer and how it affected her finances.

About our cancer information videos

Karen talks about her experience of living with breast cancer and how it affected her finances.

About our cancer information videos

Ductal carcinoma in situ (DCIS) What is DCIS?

Ductal carcinoma in situ (DCIS) is the earliest possible form of breast cancer. It needs to be treated but is not life-threatening.

Ductal carcinoma in situ (DCIS) The breasts

Breasts are made up of fat, supportive (connective) tissue and glandular tissue containing milk lobes.

Ductal carcinoma in situ (DCIS) DCIS and invasive breast cancer

If ductal carcinoma in situ (DCIS) is not treated, it may spread into (invade) the breast tissue surrounding the ducts.

General information How is cancer treated?

There are five main types of cancer treatment. You may receive one treatment or a combination of treatments, depending on your cancer type.