title: Pulmonary pseudotumor caused by actinomycosis.
mesh_terms: D000196:Actinomycosis / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D008172:Lung Diseases, Fungal / Q000175:diagnosis*; D008175:Lung Neoplasms / Q000175:diagnosis; D008297:Male; D008875:Middle Aged