Cancer is not just one single disease. It is the name given to a collection of related diseases. Cancer can start any place in the body, starting with cells growing out of control and crowding out normal cells. This makes it hard for the body to work the way it should. Cancerous tumors are malignant, they can spread into, or invade, nearby tissues. In addition, as these tumors grow, some cancer cells can break off and travel to distant places in the body through the blood or the lymph system and form new tumors far from the original tumors.
Cancer can be treated very well for many people. In fact, more people than ever before lead full lives after cancer treatment. Various therapies use medicines or drugs to treat cancer. Many times this treatment is just called chemotherapy. Surgery and radiation therapy remove, kill, or damage cancer cells in a certain area, but chemotherapy can…
