Primary hydatid cyst of the rib.
D000328:Adult; D001859:Bone Neoplasms / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004443:Echinococcosis / Q000175:diagnosis* / Q000453:epidemiology / Q000601:surgery; D006801:Humans; D008297:Male; D011379:Prognosis; D012272:Ribs