The term "cancer" refers to a group of diseases in which cells have uncontrolled growth and spread throughout the body.

Lifetime cancer risk is one person's chance of getting or dying of cancer over a lifetime. That risk changes based on the person's age.

Talking with your family about cancer and the emotions that arise is not a one-time discussion, but rather a series of talks that will continue through your treatment.

Many people don't realize that they could be at risk for getting another cancer after having been successfully treated for the first one. This risk is low, however.

Cancer cells don't function properly, and they can spread to many areas of the body. Tumors are clusters of cells that are capable of growing and dividing uncontrollably; their growth is not regulated.