Breast cancer can be referred as a malignant tumor that has developed in the breast due to uncontrolled growth of cells in the breast tissues. Uncontrolled growth happens when there is a mutation or abnormal changes in the gene who is responsible for regulating the growth of cells.
Breast cancer usually begins in the inner lining of the ducts or the lobules. Breast cancer which started off from lobule is known as lobular carcinoma, Breast cancer which started off from ducts is called ductal carcinoma
Among the Breast cancer cases 85% - 90% Breast cancer cases are due to mutation or genetic abnormalities and 5% - 10% are inherited from mother or father.
Breast cancer is the most common form of cancer in female worldwide accounting 22% of all form of cancers in female. Breast cancer more common among females in developed countries than developing countries due to various reasons