This is an observational study to evaluate the effectiveness of the truFreeze Cryotherapy System in patients who have been diagnosed with persistent local esophageal cancer and who are not candidates for surgery or have completed or declined systemic therapy. <br><br>The goal is to collect information on health related quality of life as well as additional tumor characteristics before and after cryotherapy.<br>
https://www.scripps.org/clinical_trials/535-spray-cryotherapy-for-esophageal-cancer
Spray Cryotherapy for Esophageal Cancer