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8 Causes of Armpit Lumps and When To See a Doctor

Medically reviewed by Jane Kim, MD You may have swollen armpit lumps due to infections, cysts, or vaccines.In severe cases, ...
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Soft lump under your skin? It might be a lipoma: Here’s what you need to know all about lipomas

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 ...