Researchers at the Massachusetts General Hospital (MGH) have reported the successful development of an innovative laser treatment for early vocal-cord cancer. The treatment, which has now been used in more than 25 patients, effectively restores patients' voices without radiotherapy or traditional surgery, which can permanently damage vocal quality. "We had previously adapted lasers that target blood vessels to treat precancerous vocal-cord dysplasia and a variety of benign vascular lesions.

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