Chances of Getting Liposarcoma from Lipomas?

There is a low risk of small lipomas turning into liposarcoma, but the risk increases with large lipomas and giant lipomas.

Lipomas are the most common benign tumor; they are composed of adipose tissue. Sometimes these soft, usually mobile masses can grow in size and become an aesthetic or functional concern. Malignant transformation of lipomas into liposarcomas it's extremely rare ( and controversial). Generally, I recommend excision to allow for pathologic evaluation (which is the only way to make a definitive diagnosis) and to alleviate compressive symptoms... more

Many people have multiple lipomas all over the body.they are usually small. large lipomas are suspect if they start growing fast. Consult your Plastic surgeon.