Multiple Choice
A 58-year-old man comes to the office due to exertional dyspnea and cough. His symptoms started 6 months ago and have progressively worsened. The patient has no significant medical history and takes no medications. He smoked a pack of cigarettes daily for 27 years but quit 2 years ago. Vital signs are normal. Physical examination shows bilateral inspiratory crackles and digital clubbing. CT scan of the chest is shown in the exhibit.
Which of the following changes are most likely present in this patient's lung tissue? 
A) A
B) B
C) C
D) D
E) E
Correct Answer:
Verified
Correct Answer:
Verified
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