About 20% of<unk>  patients are symptom free at the time they first present. The most common symptoms include: * Chronic cough * Shortness of breath or dyspnea when exercising or exerting one's self * Wheezing (less frequent) * Hemoptysis (Infrequent) Symptoms may be present for many years prior to diagnosis and are often ascribed to other lung conditions. Erroneous initial diagnoses of asthma or chronic obstructive pulmonary disease often are made in patients with<unk> .
Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia
Granulomatous–lymphocytic interstitial lung disease
Pulmonary atypical adenomatous hyperplasia
Atypical pulmonary carcinoid tumour
Mycobacterium avium-intracellulare infection
Pulmonary neuroendocrine tumor
Pulmonary hyalinizing granuloma
Combined pulmonary fibrosis and emphysema