causes of empyema, which one has an a really high protein level
empyema, malignancy, RA, esophageal rupture, pancreatitis, pulmonary infarction, TB (>4 proteins)
headaches that worsen with leaning forward
SVC syndrome
anterior mediastinal masses (4)
thymoma, lymphoma, retrosternal thyroid, teratoma
posterior mediastinal masses
all neurogenic tumors: lymphoma, entergenic cyst, meningocele, diaphragmatic hernia, esophageal tumors, aortic aneurysms