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• 2009-06-23 17:21 LeadSongDog 1800×1835× (936344 bytes) This is an x-ray image of a chest. Both sides of the lungs are visible with a growth on the left side of the lung, which could be lung cancer. source: [http://visualsonline.cancer.gov/details.cfm?imageid=2343 National Cancer Institute] author: unknown d