42. Concerning pulmonary sarcoidosis, which of the following is (are) true?

A) Bilateral hilar adenopathy and interstitial infiltrates are consistent with stage III disease.
B) Isolated posterior mediastinal adenopathy is not unusual.
C) Sarcoidosis is a common predisposing condition for mycetoma formation.
D) Laboratory abnormalities, including blood eosinophilia and hypercalcemia, are common.
E) Pleural effusion is a common associated finding.