Fig. 27-2. The stomach and small intestine. A, The stomach after a barium meal, prone position. Note the duodenal cap, the feathery pattern of the barium in the small intestine, the twelfth rib on the right side of the body, and the pyloric part of the stomach at the level of L.V.4. B, The small intestine 25 minutes after ingestion of a barium meal. Note the duodenal cap, the feathery pattern of the barium in the jejunum, and the ileum in the lower part of the photograph. Click for high resolution image.