A 67-year-old female with a 50 pack/year history of smoking…
A 67-year-old female with a 50 pack/year history of smoking presents for a routine visit. She complains of being easily dyspneic and fatigued. Physical exam reveals diminished breath sounds, hyperresonance, and hypertrophied respiratory accessory muscles. Her CBC results reveal a slightly elevated hematocrit. Her PFT results show increased total lung capacity. What is the most likely diagnosis for this patient?