title: [Observation on the shift of esophageal position during the course of radiotherapy--analysis of 65 patients].
authors.forename: J Q
authors.initials: JQ
authors.lastname: Han
mesh_terms: D000328:Adult; D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000532:radiotherapy*; D004938:Esophageal Neoplasms / Q000532:radiotherapy*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011878:Radiotherapy / Q000379:methods