A lipoma is a growth of fatty tissue that slowly develops under your skin
Can form on any part of the body, but they typically appear on the neck, shoulders, back abdomen, arms, thighs. It isn’t cancerous and is rarely harmful.
The lipoma is only painful if it grows into nerves underneath the skin. You should call your doctor if you notice any changes in your skin.
Look very similar to a cancerous condition called liposarcoma. The cause of lipomas is unknown.
It can look like a liposarcoma, which is malignant, or cancerous. Unlike lipomas, liposarcomas are painful and grow under the skin quickly.