Ingested foreign body
Esophageal carcinoma - dysphagia predominantly for solid foods during initial stages
Reflux esophagitis - dysphagia results from inflammatory swelling or a fibrotic stricture
Pseudoachalasia - underlying malignancy mimics<unk> 
Connective tissue disorders - e.g. systemic sclerosis
Esophageal spasm - chest pain a predominant feature
Achalasia
Ingested foreign body
Esophageal candidiasis
Esophageal carcinoma - dysphagia predominantly for solid foods during initial stages
Mallory-Weiss tear
Reflux esophagitis - dysphagia results from inflammatory swelling or a fibrotic stricture
Esophageal spasm
Pseudoachalasia - underlying malignancy mimics achalasia