Transition from symptomatic diffuse spasm to cardiospasm.
D000368:Aged; D003937:Diagnosis, Differential; D004931:Esophageal Achalasia / Q000175:diagnosis / Q000209:etiology*; D004935:Esophageal Diseases / Q000150:complications* / Q000000981:diagnostic imaging; D005769:Gastrointestinal Motility / Q000502:physiology; D006801:Humans; D007734:Kymography; D008297:Male; D008365:Manometry; D011859:Radiography; D013035:Spasm / Q000150:complications* / Q000175:diagnosis