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When you breathe in, air first travels through your nose or mouth, and then through the trachea (windpipe), which further divides into bronchi, then smaller bronchioles, finally ending in the tiny air sacs (alveoli) in the lungs.
Pneumonia - weakened immune system
Parapneumonic pleural effusion
Acute mountain sickness
Rapid shallow breathing
Idiopathic pulmonary fibrosis
Coal worker's pneumoconiosis
Mesothelioma - malignant
Mesothelioma - benign-fibrous
Primary alveolar hypoventilation
Solitary pulmonary nodule
Diffuse interstitial lung disease
Drug-induced pulmonary disease
Pulmonary alveolar proteinosis
Lung cancer - small cell
Pulmonary veno-occlusive disease
Obesity hypoventilation syndrome (OHS)
Pneumonia - adults (community acquired)
Metastatic cancer to the lung
Acute respiratory distress syndrome
Acute upper airway obstruction
Chronic obstructive pulmonary disease
Severe acute respiratory syndrome (SARS)
Rheumatoid lung disease
Simple pulmonary eosinophilia
Review Date: 7/2/2011
Reviewed By: Harvey Simon, MD, Editor-in-Chief, Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital.
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