Typical indications on patient assessment include: * Cough * Shortness of breath * Chest tightness * Chest X-ray may show a characteristic patchy, subpleural, bibasilar interstitial infiltrates or small cystic radiolucencies called honeycombing, particularly in advanced disease.<unk>  in combination with multiple pulmonary rheumatoid nodules in rheumatoid arthritis patients is known as Caplan's syndrome.
Pneumoconiosis
Atypical pneumonia
Emphysema
Pulmonary fibrosis
Chemical pneumonitis
Plastic bronchitis
Bronchiectasis
Silicosis