Certain genetic conditions can increase the chances for affected people to develop tumors. These tumors may be linked to an increased risk for cancer, or could be non-cancerous tumors (benign). Benign tumors, while not significantly increasing the risk for cancer, may grow to larger sizes and affect how some organs or tissues in the body function. Some tumor predisposing genetic conditions may cause affected people to develop many tumors throughout their body, which can eventually lead to physical disfigurement.
Some genetic conditions that are known to predispose to developing tumors are: