Abstract
Introduction: Both esophageal SEMS and radiation therapy are effective palliative treatments individually for patients with inoperable and/or obstructing esophageal cancer. It has been speculated that SEMS may cause radiation dose enhancement during therapy. Modeling using Monte Carlo computer simulations suggests some dose enhancement (Li XA et al, Int J Rad Onc Biol Phys. 2002. 54(4):1276-85). However, the effects of stents on radiation dose distribution has not been measured. It is not known if any dose adjustments should be made when there is a stent in the field, and if so by how much.
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