In the case of hematochezia, the blood may coat the stool, be mixed in with the stool, or even be passed by itself without any stool at all. Potential causes of black colored stools include: 1  acidified blood (blood from higher in the digestive tract)  iron supplements or foods high in iron.
Sign in to receive recommendations (Learn more) DCIS generally has no signs or symptoms. A small number of people may have a lump in the breast or some discharge coming out of the nipple. According to the National Cancer Institute, about 80% of DCIS cases are found by mammography. Last modified on February 18, 2016 at 11:21 AM.
Treatment of Breast Cancer by Stage. Treatment of Ductal Carcinoma in Situ (DCIS) Ductal carcinoma in situ (DCIS) means the cells that line the milk ducts of the breast have changed to look like cancer cells under a microscope, but they have not spread into surrounding breast tissue. DCIS is considered non-invasive or pre-invasive breast cancer.