An x-ray is a way to create a picture of the structures inside of the body, using a small amount of radiation. X-rays are particularly useful for bone sarcomas but less valuable for STS. Ultrasound.

Can you see a Tumour in an xray?

X-rays can be used to look for and examine some types of tumours. Most tumours are soft tissue and do not show up well on x-ray. Lung tumours show up well because of the air around them in the lungs. An x-ray cannot always show the difference between a cancerous (malignant) tumour and a non-cancerous (benign) tumour.

How do I know if my lump is sarcoma?

A sarcoma may appear as a painless lump under the skin, often on an arm or a leg. Sarcomas that begin in the abdomen may not cause signs or symptoms until they get very big. As the sarcoma grows bigger and presses on nearby organs, nerves, muscles, or blood vessels, signs and symptoms may include: Pain.