harvard chest 8.txt

poor diaphragmatic excursion, hypoventilation, PE;

endobronchial mass (bronchogenic CA, mucus plug, foreign body), extrinsic mass (large lymph nodes, large heart, aneurysm, mediastinal mass);

pneumonia, post-surgery (LLL after cardiac surgery);

pleural effusion, PTX;

scarring from chronic TB or any pulmonary fibrosis

complete atelectasis (bronchogenic CA, mucus plug, ETT too low), large effusion (mets, lymphoma), prior pneumonectomy, malignant mesothelioma, unilateral pneumonia or pulmonary edema