[The method of some particular positional examination of the digestive tract. Single barium double contrast radiography of a lower esophageal "tumor"]

MeSH terms

• Aortic Diseases / diagnostic imaging
• Arteriosclerosis / diagnostic imaging
• Barium Sulfate*
• Diagnosis, Differential
• Esophageal Neoplasms / diagnostic imaging*
• Esophagus / diagnostic imaging*
• Humans
• Radiography
• Technology, Radiologic*