系统性硬化(硬皮病)病人食管蠕动障碍，因为黏膜下层纤维化。
Esophageal motility problems can occur in patients with progressive systemic sclerosis (scleroderma) because the submucosa becomes fibrotic.
贲门失弛缓症是一种原发性食管动力障碍蠕动功能衰竭的特点高血压的涡放松和食管的缺乏。
Achalasia is a primary esophageal motility disorder characterized by failure of a hypertensive LES to relax and the absence of esophageal peristalsis.
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