What is the most common type of soft tissue sarcoma?
Liposarcoma – The most common form of soft tissue tumors, this form originates in fat cells and is most commonly diagnosed in adults over the age of 40..
Where is sarcomas most common?
Certain types occur more often in certain parts of the body more often than others. For example, leiomyosarcomas are the most common type of sarcoma found in the abdomen (belly), while liposarcomas and undifferentiated pleomorphic sarcomas are most common in legs.
What is the rarest form of sarcoma?
Kaposi’s sarcoma is a rare type of cancer that affects the skin, mouth and occasionally the internal organs. Leiomyosarcoma develops in the smooth muscle cells, which are sometimes called involuntary muscles because they cause organs to contract without our control.
Are sarcomas common?
Sarcomas are rare in adults and make up approximately 1% of all adult cancer diagnoses. They are relatively more common among children. Between 1,500 and 1,700 children are diagnosed with a bone or soft tissue sarcoma in the U.S. each year.
Where are sarcomas usually found?
They can be found in any part of the body. Most of them start in the arms or legs. They can also be found in the trunk, head and neck area, internal organs, and the area in back of the abdominal (belly) cavity (known as the retroperitoneum). Sarcomas are not common tumors.
Are sarcoma lumps hard or soft?
Soft tissue sarcomas are hard to spot, because they can grow anywhere in your body. Most often, the first sign is a painless lump. As the lump gets bigger, it might press against nerves or muscles and make you uncomfortable or give you trouble breathing, or both.