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Normal healthy lung (left) and lung with emphysema (right) showing expanded alveoli (air spaces) thickened smooth muscle. Emphysematous lung has ruptured alveolar spaces.

Stock Photo:
Image ID: 121998454
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Small
500x316 6.9"x4.4" (72dpi) 197 KB
Med
1000x632 3.3"x2.1" (300dpi) 540 KB
Large
2600x1643 8.7"x5.5" (300dpi) 1.7 MB
Super
5200x3286 17.3"x11.0" (300dpi) approx.3.4 MB
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