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.
Ductal carcinoma in situ (DCIS) â DCIS is a condition in which abnormal cells are found in the lining of breast ducts. These cells have not spread outside the duct to the surrounding breast tissue. But some cases of DCIS become breast cancer over time. So DCIS is sometimes called Stage 0 breast cancer. Since it's not possible to know which cases of DCIS will become breast cancer, it's important to get treatment for DCIS. Women with DCIS often are treated with breast-sparing surgery and radiation therapy.