What is cancer

A disease in which abnormal cells divide uncontrollably and destroy body tissue. Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body.  These contrast with benign tumors, which do not spread to other parts of the body.
MOST COMMON TYPE OF CANCER 
*Breast cancer
  A cancer that forms in the cells of the
*Prostate cancer
A cancer in a man's prostate, a small
*Basal cell cancer
  A type of skin cancer that begins in th
*Melanoma
  The most serious type of skin cancer.
*Colon cancer
  A cancer of the colon or rectum, locat
*Lung cancer
 A cancer that begins in the lungs and
*Leukemia
  A cancer of blood-forming tissues, hin
*Lymphoma
  A cancer of the lymphatic system.