ON THIS PAGE: You will find a description of the common test doctors use to find out whether a suspicious mole, slow-healing sore, or other skin feature is cancerous. To see other pages, use the menu on the side of your screen.
Doctors use many tests to diagnose cancer and find out if it has metastasized (spread). Some tests may also determine which treatments may be the most effective. For most types of cancer, a biopsy is the only way to make a definitive diagnosis of cancer. Your doctor may consider these factors when choosing a diagnostic test: