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Healthy lung versus smoker's lung with tumor

Stock Photo:
Image ID: 73142551
Small
500x297 6.9"x4.1" (72dpi) 66 KB
Med
1000x594 3.3"x2.0" (300dpi) 166 KB
Large
5537x3288 18.5"x11.0" (300dpi) 693 KB
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