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Benign breast tumors are noncancerous masses of cells that can be removed and will not lead to further harm. Malignant tumors refer to tumors that are composed of cancer cells. Malignant tumors have the ability to spread to other tissues, in a process known as metastasis. What separates benign from malignant tumors is the ability of the cells to spread outside of their structure.
The “type” refers to the area in which the cancer cells originate. While most breast cancer arises from the superficial epithelial cells, some originate in the deeper connective tissue in the breast.
The four most common types of breast cancer are carcinomas (originating the epithelial cells)
Sarcoma breast cancer is the rare form of breast cancer that occurs in the connective tissues of the breast
. The grades represent the changes the cancer cells present with as they continue to grow. The higher the grade the less the cancer cells look like normal or healthy cells.
Generally, the size of the cancerous tumor is measured in centimeters. However, it is important to not confuse size with severity. Sometimes very large tumors can be slow-growing and contained inside a single tissue or breast, while smaller tumors can grow rapidly and quickly begin invading the surrounding tissues.
Grades 1 and 2 have almost full survival rates, with Grade 1 being near 100% and Grade 2 being over 90%. Grade III, on the other hand, is much harder to treat and has around 70% survival rate. Catching cancer early on