During review of a manuscript titled "feasibility and efficacy of helical tomotherapy imrt for stage ii non-small cell lung cancer: feasible and efficacy in comparison with conventionally fractionated via three-dimension conformal radiotherapy3d-crt----: a phase i/to ii clinical trial" an adverse event was noted.One pt with a paraesophageal tumor developed a fatal hemoptysis and died of an esophagotracheal fistula at 13th months after the start of radiotherapy.To date, there is no data to suggest this was due to a product malfunction.
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