19+ Cancer Lump On Back Of Neck Hairline Pics. While most moles are harmless, they can sometimes become cancerous. We go over all the potential causes to help you identify what kind of bump you have.
Cancerous lumps can also fluctuate in size;
Get a dr to look at it. On the back of my neck, left side at the hairline, a small, hard lump appeared i also have a small lump on the back of my neck. While most moles are harmless, they can sometimes become cancerous. Appeared last week and seems to change slightly in size.