disease > ENT disease > dysphagia > persistent dysphagia

... > disease > digestive system disease > esophageal disease > functional oesophageal disease > dysphagia > persistent dysphagia

... > undernutrition > identification of malnourished patients > nutritional status diagnosis > at risk of malnutrition > deficient intake > involuntary deficient intake > esophageal disease > functional oesophageal disease > dysphagia > persistent dysphagia

undernutrition > risk factor of malnutrition > persistant symptom > persistent dysphagia

disease > symptom > persistant symptom > persistent dysphagia