The tumors most often appear as bluish-red or purple bumps on the skin. They are reddish-purple because they are rich in blood vessels.
The lesions may first appear on the feet or ankles, thighs, arms, hands, face, or any other part of the body. They also can appear on sites inside the body.
Other symptoms may include:
Shortness of breath
Signs and tests
The following tests may be performed to diagnose Kaposi's sarcoma: