Cancer affects the body’s most basic unit, the cell. Normally, cells grow and divide to form new cells. When cells grow old, they die to make room for new ones and new cells grow only when the body needs them. However sometimes the old cells do not die or new cells are produced when not needed by the body they form tumors. Tumors can be either benign or malignant (National Cancer Institute, 2011). and organs.
Benign tumors are non-cancerous and when removed they do not grow back. Malignant tumors are cancerous and most instances life threatening. When malignant ...