What does anal nevus represent?

Better go and have a look. There are several kinds of moles. It is a kind of cancer cell, some of which are stimulated by the ability of diffusion and metastasis and can grow again. It is harmless to the body, but it affects the appearance. So is one of my classmates. To make matters worse, it grows on the face and comes too much. Finally, I went to the sixth floor of Tongji to have an operation, which was removed and never grew back. But it's expensive, the big one is 900, and the small one is 300.