title: Photodynamic therapy effective for swallowing problems.
mesh_terms: D000970:Antineoplastic Agents / Q000008:administration & dosage / Q000627:therapeutic use*; D003679:Deglutition / Q000187:drug effects*; D003680:Deglutition Disorders / Q000188:drug therapy* / Q000209:etiology / Q000473:pathology; D017323:Dihematoporphyrin Ether / Q000008:administration & dosage / Q000627:therapeutic use*; D004333:Drug Administration Routes; D004938:Esophageal Neoplasms / Q000150:complications* / Q000188:drug therapy / Q000473:pathology; D006801:Humans; D009367:Neoplasm Staging; D010778:Photochemotherapy; D016896:Treatment Outcome
chemical_list: D000970:Antineoplastic Agents; D017323:Dihematoporphyrin Ether