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Malignant obstruction of esophageal and cardia cancer greatly affects the prognosis and life quality of patients. However, no better regimens have been reported up to now. In recent years, radiofrequency ablation (RFA) has been prospectively proven in the management of some tumors. So, we investigated the impact of RFA on the malignant obstruction of esophageal and cardia cancer. In this study, we...
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