To comment some clinical, subclinical characteristics of chronic obstructive pulmonary disease patients undergoing lung volume reduction surgery. Subjects and methods: 31 patients, who were exactly diagnosed with chronic obstructive pulmonary disease undergoing lung volume reduction surgery, were examined and estimated some clinical and subclinical characteristics. Results: The average age was ± , group of age 60 - 69 accounted for the highest percentage (). | Remark on some clinical, subclinical characteristics of chronic obstructive pulmonary disease patients operated lung volume reduction surgery