50.7 MB (1.1 MB compressed)
4545 x 3898 pixels
38.6 x 33.0 cm ⏐ 15.2 x 13.0 in (300dpi)
ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Barium swallow X-ray of the abdomen of a 65 year old patient, showing a gastric ulcer (at lower centre) in the stomach. Although stomach ulcers can be due to excessive gastric acid, a major cause is chronic inflammation from the bacterium Helicobacter pylori.
Model release not required. Property release not required.