LaserIn medicine, lasers offer surgeons the ability to work very precisely. They can focus on a small area and damage less of the surrounding tissue. Patients who have laser therapy may experience less pain, swelling, and scarring than with traditional surgery. However, laser therapy is expensive. It may also require repeated treatments.Laser therapy is used in many procedures. It may be used to:shrink or destroy tumors, polyps, or precancerous growths,relieve symptoms of cancer,remove kidney stones, remove part of the prostate,repair a detached retina,improve vision (モlaser eye surgeryヤ), Lasers can have a cauterizing (sealing) effect. They may be used to seal:nerve endings, to reduce pain after surgery,blood vessels, to help prevent blood loss, lymph vessels, to reduce swelling and limit spread of tumor cells.According to the National Cancer Institute (NCI), lasers may be useful in treating the very early stages of cancers such as:cervical cancer,penile cancer,vaginal cancer,vulvar cancer,non-small cell lung cancer,basal cell skin cancer (NCI).



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