Posibleng Mga Sanhi para sa Chronic na Maplemang Ubo Chronic na Obstructive Pulmonary Disease Chronic na Bronchitis Fibrinous Bronchitis Bronchogenic Carcinoma Bronchioloalveolar Carcinoma Cystic Fibrosis Aspergillosis Invasive Aspergillosis Coccidioidomycosis Multidrug-resistant Tuberculosis