my cxr showed hyperinflated lungs, gp said i had copd had to be admitted to hospital very breathless,doctor there said i was tooo young did not have copd.pft test result was 76% after second try first was 73%.went to private hospital done ct throax showed i had RB-ILD and start of emphysema the doctor said i just had large lungs. I dont know which doctor to believe,do i have copd or not i am 36 but i have smoked for 20 years.I am on inhailers and when gat very breathless i go on steroids and antibiotics. what do you think?