What is DCIS? This still related to breast cancer. The exact causes of DCIS are unknown, but some women seem more likely to develop it. This includes women who never had children or late in life, women who began their time at a young age, or having a late menopause and women who have a strong family history of breast cancer.

DCIS stands for ductal carcinoma in situ. When you have this condition, the cells lining the milk ducts (channels of the breast transporting milk to the nipple) are cancerous, but stay within the ducts without growing into the surrounding breast tissue. DCIS may affect just one area of the breast, but may be more widespread and affect different areas simultaneously. Sometimes DCIS can be described as pre-cancerous, pre-invasive, non-invasive or intraductal cancer.

If DCIS left untreated, can be for a period of years, evolve into (invade) the breast tissue around the ducts. E 'and then called invasive breast cancer. It is important to remember that although DCIS should be treated to avoid developing an invasive breast carcinoma, is not harmful at this stage. Not all women with DCIS will develop breast cancer, if left untreated, but you can not predict when DCIS will develop breast cancer.

There are three grades of DCIS: low, medium and high. The level refers to how the cells look under a microscope, and gives an idea of how fast the cells can develop into invasive cancer (or as it is likely that the DCIS coming back after surgery). Low-grade DCIS have the lowest risk of developing invasive cancer, and high quality means higher risk.

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