Cancer is characterized by uncontrolled growth of cells that can invade other tissues and spread to distant areas. Early detection is key to survival, with seven warning signs including changes in bowel or bladder habits or unusual bleeding. The document then provides statistics on new cancer cases and deaths in women for various types of cancer like breast, lung and colon. It discusses causes of cancer, stages of cancer, types of cancer screening and treatments for cancers like breast, lung, uterine and skin cancer.