A balloon is inflated at the level of the gastroesophageal junction to blindly rupture the muscle fibers while leaving the mucosa intact.
气球充气时的水平，盲目胃交界处的肌纤维断裂而离开黏膜完整。
A balloon is inflated at the level of the gastroesophageal junction to blindly rupture the muscle fibers while leaving the mucosa intact.
气球充气时的水平，盲目胃交界处的肌纤维断裂而离开黏膜完整。
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