“…Mucosal disorders, for example, eosinophilic esophagitis and lymphocytic esophagitis, some motility disorders, for example, distal esophageal spasm or hypercontractile esophagus, and mechanical causes, for example, esophageal webs/rings may present with more intermittent symptoms depending on what the patient is consuming and/or the size of the bolus. [13][14][15][16] In contrast, dysphagia that is progressive often points toward an evolving process. Mechanical causes of dysphagia such as worsening obstruction from malignancy or stricture tend to cause dysphagia that may worsen over a relatively short time.…”