https://www.selleckchem.com/pr....oducts/gsk3368715.ht
The improved submucosal tunneling endoscopic resection (STER) with slant tunnel was created by our group innovatively for submucosal tumors (SMTs) in the proximal esophagus. This study aimed to provide the preliminary results of the improved STER from our center. The key step of the improved STER is establishing a slant tunnel instead of a vertical tunnel. After a longitudinal incision was made proximally in the inclined top to the tumor, a submucosal tunnel was established from the incision to the SMT slantingly. 28 patients undergo
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