In a pilot study between May 1988 and May 1989, ten consecutive patients with advanced esophageal cancer were treated with a short intensive course of intraluminal curietherapy without external beam irradiation at the Kaiser Permanenteâ€Los Angeles Medical Center.
https://onlinelibrary.wiley.com/doi/abs/10.1002/jso.2930440409
Effective palliation for inoperable esophageal cancer using intensive intracavitary radiation