. Retroanalyses nonrandomized study over a X period of time for esophageal cancer patient which compares two treatment options

. Retroanalyses nonrandomized study over a X period of time for esophageal cancer patient which compares two treatment options: intra-luminal brachytherapy alone vs. intra-luminal brachytherapy treatment combined with chemotherapy
.Topic: Retroanalyses nonrandomized study over a X period of time for esophageal cancer patient which compares two treatment options: intra-luminal brachytherapy alone vs. intra-luminal brachytherapy treatment combined with chemotherapy