Photofrin to treat precancerous lesions in Barrett's esophagus.
D000970:Antineoplastic Agents / Q000627:therapeutic use*; D001471:Barrett Esophagus / Q000188:drug therapy*; D017323:Dihematoporphyrin Ether / Q000627:therapeutic use*; D004938:Esophageal Neoplasms / Q000188:drug therapy*; D006801:Humans; D010778:Photochemotherapy; D011230:Precancerous Conditions / Q000188:drug therapy*
D000970:Antineoplastic Agents; D017323:Dihematoporphyrin Ether