A Lung specialist treats conditions such as- Asthma, Emphysema, Chronic Obstructive Pulmonary Disease (COPD), Tuberculosis, Obstructive sleep apnea, Pneumonia, Bronchitis, Bronchiectasis, Cystic fibrosis, Occupational lung diseases, Pulmonary hypertension, COVID-19 Pneumonia, Interstitial lung diseases