Lip Cancer Symptoms What are the signs and symptoms of lip cancer?

Lip cancer symptoms can be nonspecific and similar to that of less serious conditions. As with any disease, early detection is key, so it is important to report any symptoms to your doctor. What is lip cancer? Lip cancer is a type of oral cancer that occurs when malignant cells develop in the lips.
What is Cancer?
Cancer can start any place in the body. It starts when cells grow out of control and crowd out normal cells. This makes it hard for the body to work the way it should and causes problems in the part of the body where the cancer started.

http://cancer.about.com/od/symptomsofcancer/a/Lip-Cancer-Symptoms.htm