Esophageal motility.

While a “planning risk volume” is often added as an additional margin around bowel to account for inevitable organ movement throughout weeks-long treatment, we don’t think so much about the esophagus. This look at 35 patients’ cone beam CTs throughout conventionally-fractionated treatment for locally-advanced non-small cell lung cancer demonstrates consistent right/left esophageal movement of up to 9-10 mm for the proximal through distal esophagus. | Qui, Pract Radiat Oncol 2020


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