Question: what causes inflamed lymph nodes in lungs?
Answer: Key points about pulmonary sarcoidosis Sarcoidosis is caused by inflammation. Most cases of sarcoidosis are found in the lungs and lymph nodes, but it can occur in almost any organ. Sarcoidosis in the lungs is called pulmonary sarcoidosis. It causes small lumps of inflammatory cells, called granulomas, in the lungs.