Submucosal tunnelling endoscopic resection (STER) for the treatment of a case of huge esophageal tumor arising in the muscularis propria: a case report and review of literature.

BACKGROUND AND AIMS Endoscopic Interventional Treatment is of little trauma and less complications in the treatment of esophageal tumor and leads to faster recovery and fewer days of hospitalization. This study was aimed to investigate the safety and efficacy of endoscopic interventional therapy for huge esophageal tumor arising in the muscularis propria. METHODS The patient was treated by submucosal tunneling endoscopic resection (STER). RESULTS The huge esophageal tumor was resected completely by STER technique, with little trauma and less complications. The size of the resected tumor was 5.5×3.5×3.0 cm. CONCLUSION Submucosal tunneling endoscopic resection is a safe and efficient technique for treating Huge Esophageal Tumor originating from muscularis propria layer.