Coloured frontal X-ray of a healthy oesophagus (top left) and stomach (lower right), which have been highlighted by ingested barium meal. — Stock photos

"Coloured frontal X-ray of a healthy oesophagus (top left) and stomach (lower right), which have been highlighted by ingested barium meal." is an authentic stock image by ScienceRF. It’s available in the following resolutions: 1600 x 1444px, 2600 x 2346px, 4450 x 4016px. The minimum price for an image is 49$. Image in the highest quality is 4450 x 4016px, 300 dpi, and costs 449$.