A 46-year-old male with a 40-pack-year smoking history, pres…
Questions
A 46-yeаr-оld mаle with а 40-pack-year smоking histоry, presents with a two-year history of worsening dyspnea and a one-month history of dry cough. Patient gives no history of fever, chills, chest pain, or wheeze. A chest X-ray shows hyperinflated lungs with bullae, flattened diaphragm, and no cardiomegaly or areas of consolidation. Pulmonary function tests (PFT) reveal a decrease in FEV1 along with reduction of FEV1/FVC ratio. These findings are characteristic of which of the following conditions?