The following are seen in chronic obstructive pulmonary disease (COPD) Except -

Chronic obstructive pulmonary disease (COPD) is a disease of the lung in which the airways become narrowed. This leads to a limitation of the flow of air to and from lungs causing shortness of breath. COPD includes - Emphysema Chronic bronchitis Small airway disease Complication include: Acute bronchitis Pneumonia Pulmonary hypertension Cor pulmonale Chronic respiratory failure Spontaneous pneumothorax (in a fraction of patients with emphysema) Hemoptysis (in chronic bronchitis)