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Topics: Health and Wellness Organizations: Health and Social Development (1971-1975)

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Last Modified

August 1, 2009


Early esophageal cancer refers to cancer that has not spread beyond the mucosal lining of the esophagus or to the lymph nodes. Photodynamic therapy (PDT) is one of several endoscopic techniques used to treat early stage esophageal cancer. It uses a photosensitizing drug that is activated by light...