What is cancer?
A person with cancer has a collection of abnormal cells in the body that multiply out of control. Cancer cells from the tumor can spread through the blood or lymph to start new cancers in other parts of the body. This process is called metastasis. Cancer can affect any tissue in the body.

What are the symptoms of cancer?
Symptoms of cancer depend on the organ that is affected by the cancer.

How does the doctor treat cancer?
Treatment for cancer often involves some combination of surgery, chemotherapy, and radiation therapy.