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 ...

A skin abscess or boil is a bump on or below the skin’s surface. It may look like a pimple but larger and deeper under the skin. Abscesses usually contain pus or clear fluid and can appear anywhere on ...