What are the imaging findings in sarcoidosis?

Bilateral hilar and right paratracheal adenopathies (classic in 2/3 of pt - stage I sarcoidosis) Cystic radiolucencies (honeycombing) and fibrosis with predilection of upper lobe of both lungs + Bilateral hilar lymphadenopathy + linear fibrosis and volume loss + lung infiltrates (stage II sarcoidosis) [ rare cavitations and pleural effusions] With advaced disease, mycetomas bullous emphysema and pulmonary HTN and calcification of adenopathies (stage IV)