This is a barium swallow showing: (A) Carcinoma esophagus, (B) Achalasia cardia, (C) Nut cracker esophagus, (D) Oesophageal stricture
Answer is A. This is an image of the distal esophagus from a barium swallow demonstrating an irregular, somewhat nodular filling defect probably due to carcinoma oesophagus