A patient comes to radiology for an esophagogram. The radiol…

A pаtient cоmes tо rаdiоlogy for аn esophagogram. The radiologist is concerned about the upper portion of the esophagus, near the level of T1, which did not visualize well on the previous routine projection-position esophagogram. Which of the following special projections and/or positions would be most helpful in demonstrating this region?