Some people with liposarcoma have no symptoms other than being able to feel a painless lump. People often notice these lumps after an injury, but trauma is not known to be a direct causative effect. You may notice symptoms as a lipomatous tumor

lipomatous tumor

A lipoma is a round or oval-shaped lump of tissue that grows just beneath the skin. It's made of fat, moves easily when you touch it and doesn't usually cause pain. Lipomas can appear anywhere on the body, but they're most common on the back, trunk (torso), arms, shoulders and neck.

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grows and presses on surrounding nerves, muscles, or organs.

Is liposarcoma hard or soft?

Liposarcoma is considered a type of soft tissue sarcoma. Liposarcoma can occur in fat cells in any part of the body, but most cases occur in the muscles of the limbs or in the abdomen. Liposarcoma occurs most often in older adults, though it can occur at any age.

How do I know if I have liposarcoma?

To determine whether you have a liposarcoma, your doctor will probably order a biopsy. This is a test that removes some of your suspicious tissue, either by surgery or with a needle and syringe. A pathologist, a doctor who examines tissue samples under a microscope, will check for cancer cells.