A 24-year-old female presents with nonspecific symptoms including fever and malaise. A chest x-ray reveals enlarged hilar lymph nodes , while her serum calcium level is found to be elevated. Biopsies of the enlarged hilar lymph nodes would most likely reveal
Caseating granulomas Dense, granular, PAS-positive, eosinophilic material Markedly enlarged epithelial cells with intranuclear inclusions Noncaseating granulomas