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kate lynn kate lynn
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6 years ago
Most lung cancers originate from the
 
  A. main bronchi in the pulmonary hilum
  B. bronchioli
  C. pulmonary alveoli
  D. subpleural mesenchyme
  E. pleura
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wrote...
6 years ago
A
Approximately 70 of all lung cancers originate from the epithelium of the main bronchi. These tumors are classified as hilar in contrast to others that are called peripheral.
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