<prompt> A patient complains of intermittent dysphagia, which is equal for both solids and liquids, which is the most common cause:AchalasiaEsophageal StrictureDESCarcinoma  <response>: Ans. c DESRef: Bailey and Love 27h edition, Page 1099Diffuse Esophageal Spasm: Intermittent dysphagia with chest pain is a symptom of Diffuse Esophageal spasm. Slow progressive dysphagia is seen in achalasia for both solids and liquids but more for liquids.Other causes of intermittent dysphagia: Zenker diverticulum Schatzki ring Esophagitis 