Stage I breast cancer is the earliest stage of invasive breast cancer. At this stage, the cancer cells have spread beyond the original location and into the surrounding breast tissue.
Stage I is divided into two categories:
Stage IA: The tumor measures 2 cm or smaller (about the size of a pea or shelled peanut), and has not spread outside the breast.
Stage IB: Small clusters of cancer cells measuring no more than 2 mm, are found in the lymph nodes, and either there is no tumor inside the breast, or the tumor is small, measuring 2 cm or less.
The survival rate for stage IA breast cancer may be slightly higher than for stage IB.
However, all women with stage I breast cancer are considered to have a good prognosis.
DUCTAL CARNICINOMA INSITU
"CANCER PLAYING NICE"
Ductal carcinoma in situ (DCIS) is the most common type of non-invasive breast cancer. Ductal means that the cancer starts inside the milk ducts, carcinoma refers to any cancer that begins in the skin or other tissues (including breast tissue) that cover or line the internal organs, and in situ means "in its original place." DCIS is called "non-invasive" because it hasn’t spread beyond the milk duct into any normal surrounding breast tissue. DCIS isn’t life-threatening, but having DCIS can increase the risk of developing an invasive breast cancer later on.
BREAST CANCER INFO
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