23.7 MB (2.5 MB compressed)
2919 x 2835 pixels
24.6 x 23.9 cm ⏐ 9.7 x 9.4 in (300dpi)
MICHEL BRAUNER / ISM / SCIENCE PHOTO LIBRARY MICHEL BRAUNER / ISM / SCIENCE PHOTO LIBRARY
Pneumonia. Frontal X-ray of the lungs of a 51-year-old man, showing segmental pneumonia in the lower lobe of the left lung (lower right). Pneumonia is inflammation of the lungs, usually caused by infection with bacteria or other microorganisms. The alveoli (the air sacs of the lungs) become blocked with pus and solidify. The solid areas are visible on X-rays. Symptoms are coughing and chest pain.
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