I have cough problem since 7 years. Have been treated with tuberculosis twice with complete 6 months medicine course; however my cough is not going. I tried taking inhalers as well for a month but there was no change in my cough. I have done PFT test and this is the findings in my report. I have consulted the doctor who asked me for PFT testing; however I still have few doubts. I want to know with this PFT test, if I have any major respiratory problems like COPD or the reports are normal and there could be other reasons for my cough? Please share detailed information for me to understand this report and my problem.