Cohen, R J Esophageal motion during radiotherapy: quantification and margin implications. [electronic resource] - Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus Aug 2010 - 473-9 p. digital Publication Type: Clinical Trial; Journal Article ISSN: 1442-2050 Standard No.: 10.1111/j.1442-2050.2009.01037.x doi Subjects--Topical Terms: AdultAgedDose Fractionation, RadiationEsophageal Neoplasms--diagnostic imagingEsophagus--diagnostic imagingFemaleHumansMaleMiddle AgedMovementRadiotherapy Planning, Computer-Assisted--methodsRadiotherapy, ConformalTomography, X-Ray ComputedTumor Burden