Primary oat cell carcinoma of the esophagus

A case of primary oat cell carcinoma of the esophagus is presented. Clinical, radiological, and pathological findings in our case and those reported earlier were reviewed. Primary oat cell carcinoma of the esophagus should be suspected in patients with symptoms of dysphagia, radiating pain to the back with bulky mass on the esophagogram, and diffuse metastasis.