Weight-loss basics
Learning Center
Stress test
This test gives important information about your heart health. Know how to prepare and what to expect.
Stool DNA test
Learn about this noninvasive colon cancer screening test that can detect DNA changes in cells collected from a stool sample.
Stereotactic radiosurgery
Stereotactic radiosurgery (SRS) uses radiation beams to treat tumors in all parts of the body. Learn what to expect before, during and after this incision-free procedure.
Stereotactic body radiotherapy
This type of radiotherapy uses highly targeted radiation beams to treat tumors in all parts of the body.
Splenectomy
The spleen helps you fight infection, but you can live without it if you have to. Learn about the risks and results of this surgery to remove the spleen.
Spirometry
This common test shows how well your lungs work and helps diagnose conditions that affect the ability to breathe.
Spinal fusion
This procedure connects two or more bones in the spine. The bones then can't move, which helps ease neck or back pain.
Sleeve gastrectomy
Learn about sleeve gastrectomy, a type of weight-loss surgery that involves removing part of the stomach to make it smaller.
Skin biopsy
Learn when this test is helpful in diagnosing or treating skin conditions and what to expect during the procedure.
Shoulder replacement surgery
This procedure replaces damaged areas of the shoulder joint with implants made of metal and plastic. It can sometimes be done as same-day surgery.
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