Symptoms of<unk>  are mainly: * Shortness of breath, particularly with exertion * Chronic dry, hacking coughing * Fatigue and weakness * Chest discomfort including chest pain * Loss of appetite and rapid weight loss<unk>  is suggested by a history of progressive shortness of breath (dyspnea) with exertion. Sometimes fine inspiratory crackles can be heard at the lung bases on auscultation. A chest X-ray may or may not be abnormal, but high-resolution CT will frequently demonstrate abnormalities.
Pulmonary fibrosis
Interstitial lung disease
Pneumoconiosis
Pulmonary hyperplasia
Pulmonary toxicity
Pulmonary interstitial emphysema
Alveolar lung disease
Emphysema