A lipoma is a soft cancerous lump made of fatty tissue that grows just beneath the skin. It is usually painless, slow-growing, and often harmless. Lipomas are quite common, typically appearing on arms ...

The symptoms of hidradenitis suppurativa (HS) can range from mild to severe. HS causes a combination of boil-like lumps, cysts, blackheads, scarring, and channels in the skin. HS is a chronic skin ...