Liposarcoma signs and symptoms vary depending on the part of the body where the cancer forms. Liposarcoma that forms in the arms and legs can cause: 
A growing lump of tissue under your skin
Pain
Swelling
Weakness of the affected limb
 Liposarcoma that forms in the abdomen can cause: 
Abdominal pain
Abdominal swelling
Feeling full sooner when eating
Constipation
Blood in stool
