Hi My name is dennis and 1 year ago to the day a cat scan showed mild upper lung marking of emphysema... im 55 and have smoked for the past 42 years.. im trying to quit.. i went to see a pulmonologist and he perform a pft test and listened to my lungs.. he also tested me for the alpha 1 and it was negative.... he said my lungs were clear and dint here any wheezing or crackling... the pft numbers are as follows ....fvc. 87%.... fev1 81%.... fev1/fvc 92%.....fef25% 83%.... fef 25%-75% 61% fef max 93% ... what does this mean because i constantly cough and have tons of anxiety everyday from this