As explained by the National Breast Cancer Foundation, Inc. , cancer is a group of diseases characterized by the growth and invasion of healthy cells by abnormal cells. Breast cancer specifically originates in the breast cells, forming a cluster of cancerous cells that can then spread to nearby tissues or other parts of the body (metastasize).
Cancer originates in the body's cells, which are the fundamental components of tissues. These tissues are present in various parts of the body, including the breast. Occasionally, the normal cell growth process malfunctions, leading to new cells failing to die as expected. This can result in an accumulation of cells, often forming a mass of tissue referred to as a lump, growth, or tumor.
Breast cancer is characterized by the formation of malignan