A benign skin tumor happens when cells in your skin grow and form a mass. These tumors don’t contain malignant cells, so they are not cancer. There are many types of benign skin tumors. Share on ...

Benign moles are noncancerous skin growths. They are typically symmetrical with a rounded shape and a smooth edge. A mole is a small collection of skin cells. It’s also known as a nevus (the plural is ...