The following signs and symptoms may indicate sarcoma. Symptoms of bone sarcoma include:

• persistent non-mechanical pain in any bone lasting more than a few weeks
• referred pain
• pain that is unremitting and unresponsive to analgesics
• nocturnal bone pain
• a mass
• swelling
• a limp
• limited mobility or loss of limb function
• fractures with minimal trauma.

Symptoms of soft tissue sarcoma include:

• persistent pain
• any deep mass
• any superficial mass with a diameter exceeding 5 cm
• a small but growing mass
• a rapidly growing change in a mass (over months)
• a mass with atypical physical characteristics – for example, hardness, firmness, irregularity and/or atypical location
• a mass where there is no associated history of trauma (differential diagnosis, for example, haematoma).