The late stage of smooth muscle sarcoma is generally more suffering, when the local tumor of smooth muscle sarcoma is often larger, usually will cause severe pain. If the normal blood vessels around the compression and affect the circulation, it may also cause edema in the distal limbs of the mass, and sometimes the edema is particularly serious, which will lead to particularly difficult. If lung metastasis occurs, it may cause coughing, coughing up phlegm or even chest tightness, breathlessness and dyspnea, and the patient suffers a lot at this time. If brain metastasis occurs, severe headache, dizziness, nausea, vomiting and even recurrent epileptic seizures may occur, which is also very painful for the patient. Smooth stage late often also appear fever, wasting, obvious fatigue and other systemic symptoms, this may also be very painful.