• Secondary hypertension

    Causes of high blood pressure are known.

  • Sedation

    Use of sedatives.

  • Sentinel lymph nodes

    The lymph nodes closest to a tumour.

  • Shoulder prosthesis

    Artificial shoulder joint.

  • Shunt

    Connection between an artery and a vein.

  • SILS

    Abbreviation for single incision laparoscopic surgery.

  • Sinus rhythm

    Normal, regular heartbeat.

  • Skeletal scintigraphy

    X-ray of the skeleton using a contrast agent. Used to detect bone metastases, for example.

  • Skin tags

    Folds of skin in the anus.

  • SLAP lesion

    Injury to the anchor of the biceps tendon on the superior glenoid rim, important for the stability of the joint.

  • Sleeve resection

    Also known as a cuff resection. Surgical removal of parts of the lung and reconstruction of the vessels affected by the tumour.