title: Thoracic actinomycosis presenting as empyema necessitans.
authors: A L
authors: AL
authors: Davies
authors: W
authors: W
authors: Messerschmidt
authors: J H
authors: JH
authors: Piland
authors: J
authors: J
authors: Lally
mesh_terms: D000196:Actinomycosis / Q000175:diagnosis* / Q000601:surgery; D004653:Empyema / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013896:Thoracic Diseases / Q000175:diagnosis* / Q000601:surgery